Ajax ComboBox - How to set change ComboBox DataTextField and DataValueField programmatically in asp.net
<%@ Page Language="C#" AutoEventWireup="true" %>
<%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="asp" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
protected void Button1_Click(object sender, EventArgs e)
{
ComboBox1.DataTextField = "Name";
ComboBox1.DataValueField = "Value";
}
void ComboBox1_SelectedIndexChanged(object sender, EventArgs e)
{
Label1.Text = ComboBox1.SelectedItem.Text + "<br />" + ComboBox1.SelectedItem.Value;
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
<title>Ajax ComboBox - How to set change ComboBox DataTextField and DataValueField programmatically in asp.net</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<h2 style="color:DarkBlue; font-style:italic;">
ASP.NET Ajax ComboBox - How to set change ComboBox
<br /> DataTextField and DataValueField programmatically in asp.net
</h2>
<hr width="600" align="left" color="LightBlue" />
<asp:ToolkitScriptManager ID="ToolkitScriptManager1" runat="server">
</asp:ToolkitScriptManager>
<asp:Label
ID="Label1"
runat="server"
Font-Size="Large"
ForeColor="DarkGreen"
Font-Italic="true"
>
</asp:Label>
<br /><br />
<asp:ComboBox
ID="ComboBox1"
runat="server"
DropDownStyle="DropDown"
AutoCompleteMode="None"
DataSourceID="XmlDataSource1"
CaseSensitive="false"
RenderMode="Block"
AppendDataBoundItems="false"
AutoPostBack="true"
Font-Names="Comic Sans MS"
Font-Size="Medium"
ForeColor="SaddleBrown"
OnSelectedIndexChanged="ComboBox1_SelectedIndexChanged"
>
</asp:ComboBox>
<asp:XmlDataSource ID="XmlDataSource1" runat="server">
<Data>
<Colors>
<Color Value="#FFFAF0" Name="FloralWhite" />
<Color Value="#FFE4B5" Name="Moccasin" />
<Color Value="#228B22" Name="ForestGreen" />
<Color Value="#FFFFE0" Name="LightYellow" />
<Color Value="#FFFACD" Name="LemonChiffon" />
</Colors>
</Data>
</asp:XmlDataSource>
<br /><br /><br />
<br /><br /><br />
<asp:Button
ID="Button1"
runat="server"
OnClick="Button1_Click"
Text="Set ComboBox DataTextField & DataValueField"
Height="45"
Font-Bold="true"
ForeColor="DodgerBlue"
/>
</div>
</form>
</body>
</html>
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