
<telerik:RadGrid ID="RadGridBuyWarrants" runat="server"
OnNeedDataSource="RadGridBuyWarrants_NeedDataSource" AutoGenerateColumns="false"
AllowSorting="true" AllowPaging="true" PageSize="20"
ShowGroupPanel="false" onitemcommand="RadGridBuyWarrants_ItemCommand"
onitemdatabound="RadGridBuyWarrants_ItemDataBound">
<PagerStyle Mode="NumericPages" />
<ClientSettings AllowGroupExpandCollapse="True" AllowDragToGroup="True" AllowColumnsReorder="True"/>
<MasterTableView Width="100%" GroupLoadMode="Server">
foreach (GridItem item in RadGridBuyWarrants.MasterTableView.Controls[0].Controls)
{
if (item is GridGroupHeaderItem)
{
item.Expanded =
true;
}
}

rgStaffPhysicianDetails.DataSource = GetPhysicianDetail();
in the server side code. So please give me the details of how the apply the filtering with the use selected filter criteria and value get from the filter textbox in the radgrid control. <telerik:RadComboBox ID="cmbVisualizationTemplates" runat="server" EnableLoadOnDemand="true" EmptyMessage="Select a template" Filter="Contains" AllowCustomText="false" DataTextField="NAME" DataValueField="ID_VISUALIZATION_TEMPLATE" OnClientItemsRequesting="selectedTemplatesRequesting" OnClientSelectedIndexChanged="selectedTemplateChanged" OnItemsRequested="cmbVisualizationTemplates_ItemsRequested" Style="width: 135px;"></telerik:RadComboBox>