diff --git a/docs/README.md b/docs/README.md
index 3fc1c58..dc12d3a 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -33,6 +33,7 @@
 * [pagination](#pagination)
 * [filter](#filter)
 * [onTableChange](#onTableChange)
+* [onDataSizeChange](#onDataSizeChange)
 
 ### <a name='keyField'>keyField(**required**) - [String]</a>
 Tells `react-bootstrap-table2` which column is unique.
@@ -317,4 +318,20 @@ Following is a shape of `newState`
     newValue
   }
 }
+```
+
+### <a name='onDataSizeChange'>onDataSizeChange - [Function]</a>
+This callback function will be called only when data size change by search/filter etc. This function have one argument which is an object contains below props:
+
+* `dataSize`: The new data size
+
+```js
+handleDataChange = ({ dataSize }) => {
+  this.setState({ rowCount: dataSize });
+}
+
+<BootstrapTable
+  onDataSizeChange={ handleDataChange }
+  ....
+/>
 ```
\ No newline at end of file
diff --git a/packages/react-bootstrap-table2-example/.storybook/webpack.config.js b/packages/react-bootstrap-table2-example/.storybook/webpack.config.js
index a3995c8..75e6df6 100644
--- a/packages/react-bootstrap-table2-example/.storybook/webpack.config.js
+++ b/packages/react-bootstrap-table2-example/.storybook/webpack.config.js
@@ -9,6 +9,7 @@ const sourceStylePath = path.join(__dirname, '../../react-bootstrap-table2/style
 const paginationStylePath = path.join(__dirname, '../../react-bootstrap-table2-paginator/style');
 const filterStylePath = path.join(__dirname, '../../react-bootstrap-table2-filter/style');
 const toolkitSourcePath = path.join(__dirname, '../../react-bootstrap-table2-toolkit/index.js');
+const toolkitStylePath = path.join(__dirname, '../../react-bootstrap-table2-toolkit/style');
 const storyPath = path.join(__dirname, '../stories');
 const examplesPath = path.join(__dirname, '../examples');
 const srcPath = path.join(__dirname, '../src');
@@ -43,7 +44,13 @@ const loaders = [{
 }, {
   test: /\.scss$/,
   use: ['style-loader', 'css-loader', 'sass-loader'],
-  include: [storyPath, sourceStylePath, paginationStylePath, filterStylePath],
+  include: [
+    storyPath,
+    sourceStylePath,
+    paginationStylePath,
+    filterStylePath,
+    toolkitStylePath
+  ],
 }, {
   test: /\.(jpg|png|woff|woff2|eot|ttf|svg)$/,
   loader: 'url-loader?limit=100000',
diff --git a/packages/react-bootstrap-table2-example/examples/data/data-change-listener.js b/packages/react-bootstrap-table2-example/examples/data/data-change-listener.js
new file mode 100644
index 0000000..3b9f737
--- /dev/null
+++ b/packages/react-bootstrap-table2-example/examples/data/data-change-listener.js
@@ -0,0 +1,151 @@
+/* eslint react/no-multi-comp: 0 */
+import React from 'react';
+import BootstrapTable from 'react-bootstrap-table-next';
+import filterFactory, { textFilter } from 'react-bootstrap-table2-filter';
+import paginationFactory from 'react-bootstrap-table2-paginator';
+import Code from 'components/common/code-block';
+import { productsGenerator } from 'utils/common';
+
+const columns = [{
+  dataField: 'id',
+  text: 'Product ID'
+}, {
+  dataField: 'name',
+  text: 'Product Name',
+  filter: textFilter()
+}, {
+  dataField: 'price',
+  text: 'Product Price',
+  filter: textFilter()
+}];
+
+const sourceCode1 = `\
+import BootstrapTable from 'react-bootstrap-table-next';
+import filterFactory, { textFilter } from 'react-bootstrap-table2-filter';
+
+class Case1 extends React.Component {
+  constructor(props) {
+    super(props);
+    this.state = { rowCount: products.length };
+  }
+
+  handleDataChange = ({ dataSize }) => {
+    this.setState({ rowCount: dataSize });
+  }
+
+  render() {
+    return (
+      <div>
+        <h5>Row Count:<span className="badge">{ this.state.rowCount }</span></h5>
+        <BootstrapTable
+          onDataSizeChange={ this.handleDataChange }
+          keyField="id"
+          data={ products }
+          columns={ columns }
+          filter={ filterFactory() }
+        />
+        <Code>{ sourceCode }</Code>
+      </div>
+    );
+  }
+`;
+
+const sourceCode2 = `\
+import BootstrapTable from 'react-bootstrap-table-next';
+import filterFactory, { textFilter } from 'react-bootstrap-table2-filter';
+import paginationFactory from 'react-bootstrap-table2-paginator';
+
+class Case2 extends React.Component {
+  constructor(props) {
+    super(props);
+    this.state = { rowCount: products.length };
+  }
+
+  handleDataChange = ({ dataSize }) => {
+    this.setState({ rowCount: dataSize });
+  }
+
+  render() {
+    return (
+      <div>
+        <h5>Row Count:<span className="badge">{ this.state.rowCount }</span></h5>
+        <BootstrapTable
+          onDataSizeChange={ this.handleDataChange }
+          keyField="id"
+          data={ products }
+          columns={ columns }
+          filter={ filterFactory() }
+          pagination={ paginationFactory() }
+        />
+        <Code>{ sourceCode }</Code>
+      </div>
+    );
+  }
+`;
+
+const products1 = productsGenerator(8);
+class WithoutPaginationCase extends React.Component {
+  constructor(props) {
+    super(props);
+    this.state = { rowCount: products1.length };
+  }
+
+  handleDataChange = ({ dataSize }) => {
+    this.setState({ rowCount: dataSize });
+  }
+
+  render() {
+    return (
+      <div>
+        <h3>Without Pagination Case</h3>
+        <h5>Row Count:<span className="badge">{ this.state.rowCount }</span></h5>
+        <BootstrapTable
+          onDataSizeChange={ this.handleDataChange }
+          keyField="id"
+          data={ products1 }
+          columns={ columns }
+          filter={ filterFactory() }
+        />
+        <Code>{ sourceCode2 }</Code>
+      </div>
+    );
+  }
+}
+
+const products2 = productsGenerator(88);
+class WithPaginationCase extends React.Component {
+  constructor(props) {
+    super(props);
+    this.state = { rowCount: products2.length };
+  }
+
+  handleDataChange = ({ dataSize }) => {
+    this.setState({ rowCount: dataSize });
+  }
+
+  render() {
+    return (
+      <div>
+        <h3>Without Pagination Case</h3>
+        <h5>Row Count:<span className="badge">{ this.state.rowCount }</span></h5>
+        <BootstrapTable
+          onDataSizeChange={ this.handleDataChange }
+          keyField="id"
+          data={ products2 }
+          columns={ columns }
+          filter={ filterFactory() }
+          pagination={ paginationFactory() }
+        />
+        <Code>{ sourceCode1 }</Code>
+      </div>
+    );
+  }
+}
+
+export default () => (
+  <div>
+    <WithoutPaginationCase />
+    <WithPaginationCase />
+  </div>
+);
+
diff --git a/packages/react-bootstrap-table2-example/stories/index.js b/packages/react-bootstrap-table2-example/stories/index.js
index 9fc20d1..9bd79b8 100644
--- a/packages/react-bootstrap-table2-example/stories/index.js
+++ b/packages/react-bootstrap-table2-example/stories/index.js
@@ -217,6 +217,7 @@ import RemoteCellEdit from 'examples/remote/remote-celledit';
 import RemoteAll from 'examples/remote/remote-all';
 
 // data
+import DataChangeListener from 'examples/data/data-change-listener';
 import LoadDataWithFilter from 'examples/data/load-data-on-the-fly-with-filter';
 import LoadDataWithDefaultFilter from 'examples/data/load-data-on-the-fly-with-default-filter';
 import LoadDataWithSearch from 'examples/data/load-data-on-the-fly-with-search';
@@ -229,6 +230,7 @@ import 'stories/stylesheet/storybook.scss';
 import '../../react-bootstrap-table2/style/react-bootstrap-table2.scss';
 import '../../react-bootstrap-table2-paginator/style/react-bootstrap-table2-paginator.scss';
 import '../../react-bootstrap-table2-filter/style/react-bootstrap-table2-filter.scss';
+import '../../react-bootstrap-table2-toolkit/style/react-bootstrap-table2-toolkit.scss';
 
 // import bootstrap style by given version
 import bootstrapStyle, { BOOTSTRAP_VERSION } from './bootstrap-style';
@@ -466,6 +468,7 @@ storiesOf('Remote', module)
 
 storiesOf('Data', module)
   .addDecorator(bootstrapStyle())
+  .add('Data Change Listener', () => <DataChangeListener />)
   .add('Load data with Filter', () => <LoadDataWithFilter />)
   .add('Load data with Default Filter', () => <LoadDataWithDefaultFilter />)
   .add('Load data with Search', () => <LoadDataWithSearch />)
diff --git a/packages/react-bootstrap-table2-filter/src/components/date.js b/packages/react-bootstrap-table2-filter/src/components/date.js
index 45717ae..578f558 100644
--- a/packages/react-bootstrap-table2-filter/src/components/date.js
+++ b/packages/react-bootstrap-table2-filter/src/components/date.js
@@ -132,24 +132,35 @@ class DateFilter extends Component {
         className={ `filter date-filter ${className}` }
         style={ style }
       >
-        <select
-          ref={ n => this.dateFilterComparator = n }
-          style={ comparatorStyle }
-          className={ `date-filter-comparator form-control ${comparatorClassName}` }
-          onChange={ this.onChangeComparator }
-          defaultValue={ defaultValue ? defaultValue.comparator : '' }
+        <label
+          className="filter-label"
+          htmlFor={ `date-filter-comparator-${text}` }
         >
-          { this.getComparatorOptions() }
-        </select>
-        <input
-          ref={ n => this.inputDate = n }
-          className={ `filter date-filter-input form-control ${dateClassName}` }
-          style={ dateStyle }
-          type="date"
-          onChange={ this.onChangeDate }
-          placeholder={ placeholder || `Enter ${text}...` }
-          defaultValue={ this.getDefaultDate() }
-        />
+          <span className="sr-only">Filter comparator</span>
+          <select
+            ref={ n => this.dateFilterComparator = n }
+            id={ `date-filter-comparator-${text}` }
+            style={ comparatorStyle }
+            className={ `date-filter-comparator form-control ${comparatorClassName}` }
+            onChange={ this.onChangeComparator }
+            defaultValue={ defaultValue ? defaultValue.comparator : '' }
+          >
+            { this.getComparatorOptions() }
+          </select>
+        </label>
+        <label htmlFor={ `date-filter-column-${text}` }>
+          <span className="sr-only">Enter ${ text }</span>
+          <input
+            ref={ n => this.inputDate = n }
+            id={ `date-filter-column-${text}` }
+            className={ `filter date-filter-input form-control ${dateClassName}` }
+            style={ dateStyle }
+            type="date"
+            onChange={ this.onChangeDate }
+            placeholder={ placeholder || `Enter ${text}...` }
+            defaultValue={ this.getDefaultDate() }
+          />
+        </label>
       </div>
     );
   }
diff --git a/packages/react-bootstrap-table2-filter/src/components/multiselect.js b/packages/react-bootstrap-table2-filter/src/components/multiselect.js
index 5f4623b..2de86f9 100644
--- a/packages/react-bootstrap-table2-filter/src/components/multiselect.js
+++ b/packages/react-bootstrap-table2-filter/src/components/multiselect.js
@@ -111,18 +111,25 @@ class MultiSelectFilter extends Component {
       `filter select-filter form-control ${className} ${this.state.isSelected ? '' : 'placeholder-selected'}`;
 
     return (
-      <select
-        { ...rest }
-        ref={ n => this.selectInput = n }
-        style={ style }
-        multiple
-        className={ selectClass }
-        onChange={ this.filter }
-        onClick={ e => e.stopPropagation() }
-        defaultValue={ defaultValue !== undefined ? defaultValue : '' }
+      <label
+        className="filter-label"
+        htmlFor={ `multiselect-filter-column-${column.text}` }
       >
-        { this.getOptions() }
-      </select>
+        <span className="sr-only">Filter by {column.text}</span>
+        <select
+          { ...rest }
+          ref={ n => this.selectInput = n }
+          id={ `multiselect-filter-column-${column.text}` }
+          style={ style }
+          multiple
+          className={ selectClass }
+          onChange={ this.filter }
+          onClick={ e => e.stopPropagation() }
+          defaultValue={ defaultValue !== undefined ? defaultValue : '' }
+        >
+          { this.getOptions() }
+        </select>
+      </label>
     );
   }
 }
diff --git a/packages/react-bootstrap-table2-filter/src/components/number.js b/packages/react-bootstrap-table2-filter/src/components/number.js
index 447eed2..29e0370 100644
--- a/packages/react-bootstrap-table2-filter/src/components/number.js
+++ b/packages/react-bootstrap-table2-filter/src/components/number.js
@@ -173,35 +173,53 @@ class NumberFilter extends Component {
         className={ `filter number-filter ${className}` }
         style={ style }
       >
-        <select
-          ref={ n => this.numberFilterComparator = n }
-          style={ comparatorStyle }
-          className={ `number-filter-comparator form-control ${comparatorClassName}` }
-          onChange={ this.onChangeComparator }
-          defaultValue={ defaultValue ? defaultValue.comparator : '' }
+        <label
+          className="filter-label"
+          htmlFor={ `number-filter-comparator-${column.text}` }
         >
-          { this.getComparatorOptions() }
-        </select>
+          <span className="sr-only">Filter comparator</span>
+          <select
+            ref={ n => this.numberFilterComparator = n }
+            style={ comparatorStyle }
+            id={ `number-filter-comparator-${column.text}` }
+            className={ `number-filter-comparator form-control ${comparatorClassName}` }
+            onChange={ this.onChangeComparator }
+            defaultValue={ defaultValue ? defaultValue.comparator : '' }
+          >
+            { this.getComparatorOptions() }
+          </select>
+        </label>
         {
           options ?
-            <select
-              ref={ n => this.numberFilter = n }
-              style={ numberStyle }
-              className={ selectClass }
-              onChange={ this.onChangeNumberSet }
-              defaultValue={ defaultValue ? defaultValue.number : '' }
+            <label
+              className="filter-label"
+              htmlFor={ `number-filter-column-${column.text}` }
             >
-              { this.getNumberOptions() }
-            </select> :
-            <input
-              ref={ n => this.numberFilter = n }
-              type="number"
-              style={ numberStyle }
-              className={ `number-filter-input form-control ${numberClassName}` }
-              placeholder={ placeholder || `Enter ${column.text}...` }
-              onChange={ this.onChangeNumber }
-              defaultValue={ defaultValue ? defaultValue.number : '' }
-            />
+              <span className="sr-only">{`Select ${column.text}`}</span>
+              <select
+                ref={ n => this.numberFilter = n }
+                id={ `number-filter-column-${column.text}` }
+                style={ numberStyle }
+                className={ selectClass }
+                onChange={ this.onChangeNumberSet }
+                defaultValue={ defaultValue ? defaultValue.number : '' }
+              >
+                { this.getNumberOptions() }
+              </select>
+            </label> :
+            <label htmlFor={ `number-filter-column-${column.text}` }>
+              <span className="sr-only">{`Enter ${column.text}`}</span>
+              <input
+                ref={ n => this.numberFilter = n }
+                id={ `number-filter-column-${column.text}` }
+                type="number"
+                style={ numberStyle }
+                className={ `number-filter-input form-control ${numberClassName}` }
+                placeholder={ placeholder || `Enter ${column.text}...` }
+                onChange={ this.onChangeNumber }
+                defaultValue={ defaultValue ? defaultValue.number : '' }
+              />
+            </label>
         }
       </div>
     );
diff --git a/packages/react-bootstrap-table2-filter/src/components/select.js b/packages/react-bootstrap-table2-filter/src/components/select.js
index 973bdb3..db5348a 100644
--- a/packages/react-bootstrap-table2-filter/src/components/select.js
+++ b/packages/react-bootstrap-table2-filter/src/components/select.js
@@ -8,15 +8,18 @@ import { FILTER_TYPE } from '../const';
 
 function optionsEquals(currOpts, prevOpts) {
   if (Array.isArray(currOpts)) {
-    for (let i = 0; i < currOpts.length; i += 1) {
-      if (
-        currOpts[i].value !== prevOpts[i].value ||
-        currOpts[i].label !== prevOpts[i].label
-      ) {
-        return false;
+    if (currOpts.length === prevOpts.length) {
+      for (let i = 0; i < currOpts.length; i += 1) {
+        if (
+          currOpts[i].value !== prevOpts[i].value ||
+          currOpts[i].label !== prevOpts[i].label
+        ) {
+          return false;
+        }
       }
+      return true;
     }
-    return currOpts.length === prevOpts.length;
+    return false;
   }
   const keys = Object.keys(currOpts);
   for (let i = 0; i < keys.length; i += 1) {
@@ -136,17 +139,24 @@ class SelectFilter extends Component {
       `filter select-filter form-control ${className} ${this.state.isSelected ? '' : 'placeholder-selected'}`;
 
     return (
-      <select
-        { ...rest }
-        ref={ n => this.selectInput = n }
-        style={ style }
-        className={ selectClass }
-        onChange={ this.filter }
-        onClick={ e => e.stopPropagation() }
-        defaultValue={ defaultValue !== undefined ? defaultValue : '' }
+      <label
+        className="filter-label"
+        htmlFor={ `select-filter-column-${column.text}` }
       >
-        { this.getOptions() }
-      </select>
+        <span className="sr-only">Filter by { column.text }</span>
+        <select
+          { ...rest }
+          ref={ n => this.selectInput = n }
+          id={ `select-filter-column-${column.text}` }
+          style={ style }
+          className={ selectClass }
+          onChange={ this.filter }
+          onClick={ e => e.stopPropagation() }
+          defaultValue={ defaultValue !== undefined ? defaultValue : '' }
+        >
+          { this.getOptions() }
+        </select>
+      </label>
     );
   }
 }
diff --git a/packages/react-bootstrap-table2-filter/src/components/text.js b/packages/react-bootstrap-table2-filter/src/components/text.js
index a17c3ea..1995ebe 100644
--- a/packages/react-bootstrap-table2-filter/src/components/text.js
+++ b/packages/react-bootstrap-table2-filter/src/components/text.js
@@ -94,17 +94,24 @@ class TextFilter extends Component {
 
     // stopPropagation for onClick event is try to prevent sort was triggered.
     return (
-      <input
-        { ...rest }
-        ref={ n => this.input = n }
-        type="text"
-        className={ `filter text-filter form-control ${className}` }
-        style={ style }
-        onChange={ this.filter }
-        onClick={ this.handleClick }
-        placeholder={ placeholder || `Enter ${text}...` }
-        value={ this.state.value }
-      />
+      <label
+        className="filter-label"
+        htmlFor={ `text-filter-column-${text}` }
+      >
+        <span className="sr-only">Filter by {text}</span>
+        <input
+          { ...rest }
+          ref={ n => this.input = n }
+          type="text"
+          id={ `text-filter-column-${text}` }
+          className={ `filter text-filter form-control ${className}` }
+          style={ style }
+          onChange={ this.filter }
+          onClick={ this.handleClick }
+          placeholder={ placeholder || `Enter ${text}...` }
+          value={ this.state.value }
+        />
+      </label>
     );
   }
 }
diff --git a/packages/react-bootstrap-table2-filter/style/react-bootstrap-table2-filter.scss b/packages/react-bootstrap-table2-filter/style/react-bootstrap-table2-filter.scss
index e2304b6..445579e 100644
--- a/packages/react-bootstrap-table2-filter/style/react-bootstrap-table2-filter.scss
+++ b/packages/react-bootstrap-table2-filter/style/react-bootstrap-table2-filter.scss
@@ -1,3 +1,7 @@
+.react-bootstrap-table > table > thead > tr > th .filter-label {
+  display: block !important;
+}
+
 .react-bootstrap-table > table > thead > tr > th .filter {
   font-weight: normal;
 }
diff --git a/packages/react-bootstrap-table2-paginator/src/data-context.js b/packages/react-bootstrap-table2-paginator/src/data-context.js
index e33f45f..654e9f8 100644
--- a/packages/react-bootstrap-table2-paginator/src/data-context.js
+++ b/packages/react-bootstrap-table2-paginator/src/data-context.js
@@ -46,6 +46,9 @@ class PaginationDataProvider extends Provider {
         this.currPage = newPage;
       }
     }
+    if (nextProps.onDataSizeChange && nextProps.data.length !== this.props.data.length) {
+      nextProps.onDataSizeChange({ dataSize: nextProps.data.length });
+    }
   }
 
   isRemotePagination = () => this.props.isRemotePagination();
diff --git a/packages/react-bootstrap-table2-toolkit/src/search/SearchBar.js b/packages/react-bootstrap-table2-toolkit/src/search/SearchBar.js
index f51f09c..64e148f 100644
--- a/packages/react-bootstrap-table2-toolkit/src/search/SearchBar.js
+++ b/packages/react-bootstrap-table2-toolkit/src/search/SearchBar.js
@@ -54,20 +54,28 @@ class SearchBar extends React.Component {
     const {
       className,
       style,
-      placeholder
+      placeholder,
+      tableId
     } = this.props;
 
     return (
-      <input
-        ref={ n => this.input = n }
-        type="text"
-        style={ style }
-        onKeyUp={ () => this.onKeyup() }
-        onChange={ this.onChangeValue }
-        className={ `form-control ${className}` }
-        value={ this.state.value }
-        placeholder={ placeholder || SearchBar.defaultProps.placeholder }
-      />
+      <label
+        htmlFor={ `search-bar-${tableId}` }
+        className="search-label"
+      >
+        <span className="sr-only">Search this table</span>
+        <input
+          ref={ n => this.input = n }
+          id={ `search-bar-${tableId}` }
+          type="text"
+          style={ style }
+          onKeyUp={ () => this.onKeyup() }
+          onChange={ this.onChangeValue }
+          className={ `form-control ${className}` }
+          value={ this.state.value }
+          placeholder={ placeholder || SearchBar.defaultProps.placeholder }
+        />
+      </label>
     );
   }
 }
@@ -78,7 +86,8 @@ SearchBar.propTypes = {
   placeholder: PropTypes.string,
   style: PropTypes.object,
   delay: PropTypes.number,
-  searchText: PropTypes.string
+  searchText: PropTypes.string,
+  tableId: PropTypes.string
 };
 
 SearchBar.defaultProps = {
@@ -86,7 +95,8 @@ SearchBar.defaultProps = {
   style: {},
   placeholder: 'Search',
   delay: 250,
-  searchText: ''
+  searchText: '',
+  tableId: 0
 };
 
 export default SearchBar;
diff --git a/packages/react-bootstrap-table2-toolkit/style/react-bootstrap-table2-toolkit.scss b/packages/react-bootstrap-table2-toolkit/style/react-bootstrap-table2-toolkit.scss
index e69de29..c840023 100644
--- a/packages/react-bootstrap-table2-toolkit/style/react-bootstrap-table2-toolkit.scss
+++ b/packages/react-bootstrap-table2-toolkit/style/react-bootstrap-table2-toolkit.scss
@@ -0,0 +1,3 @@
+.search-label {
+  display: block !important;
+}
\ No newline at end of file
diff --git a/packages/react-bootstrap-table2/src/bootstrap-table.js b/packages/react-bootstrap-table2/src/bootstrap-table.js
index 0df430c..bc0bc79 100644
--- a/packages/react-bootstrap-table2/src/bootstrap-table.js
+++ b/packages/react-bootstrap-table2/src/bootstrap-table.js
@@ -18,6 +18,14 @@ class BootstrapTable extends PropsBaseResolver(Component) {
     this.validateProps();
   }
 
+  componentWillReceiveProps(nextProps) {
+    if (nextProps.onDataSizeChange && !nextProps.pagination) {
+      if (nextProps.data.length !== this.props.data.length) {
+        nextProps.onDataSizeChange({ dataSize: nextProps.data.length });
+      }
+    }
+  }
+
   // Exposed APIs
   getData = () => {
     return this.visibleRows();
@@ -192,6 +200,7 @@ BootstrapTable.propTypes = {
   onSort: PropTypes.func,
   onFilter: PropTypes.func,
   onExternalFilter: PropTypes.func,
+  onDataSizeChange: PropTypes.func,
   // Inject from toolkit
   search: PropTypes.shape({
     searchText: PropTypes.string,
diff --git a/packages/react-bootstrap-table2/src/contexts/index.js b/packages/react-bootstrap-table2/src/contexts/index.js
index 148e805..1df8d6c 100644
--- a/packages/react-bootstrap-table2/src/contexts/index.js
+++ b/packages/react-bootstrap-table2/src/contexts/index.js
@@ -211,6 +211,7 @@ const withContext = Base =>
           bootstrap4={ this.props.bootstrap4 }
           isRemotePagination={ this.isRemotePagination }
           remoteEmitter={ this.remoteEmitter }
+          onDataSizeChange={ this.props.onDataSizeChange }
         >
           <this.PaginationContext.Consumer>
             {
diff --git a/packages/react-bootstrap-table2/src/contexts/row-expand-context.js b/packages/react-bootstrap-table2/src/contexts/row-expand-context.js
index 601c338..0c4789a 100644
--- a/packages/react-bootstrap-table2/src/contexts/row-expand-context.js
+++ b/packages/react-bootstrap-table2/src/contexts/row-expand-context.js
@@ -17,13 +17,17 @@ class RowExpandProvider extends React.Component {
 
   componentWillReceiveProps(nextProps) {
     if (nextProps.expandRow) {
+      const nextExpanded = nextProps.expandRow.expanded || this.state.expanded;
       const isClosing = this.state.expanded.reduce((acc, cur) => {
-        if (!nextProps.expandRow.expanded.includes(cur)) {
+        if (!nextExpanded.includes(cur)) {
           acc.push(cur);
         }
         return acc;
       }, []);
-      this.setState(() => ({ expanded: nextProps.expandRow.expanded, isClosing }));
+      this.setState(() => ({
+        expanded: nextExpanded,
+        isClosing
+      }));
     } else {
       this.setState(() => ({
         expanded: this.state.expanded