Button - Command event and CommandName property
ButtonCommandNameExample.aspx
<%@ Page Language="C#" %>
<!DOCTYPE html>
<script runat="server">
protected void Button_Command(Object sender, System.Web.UI.WebControls.CommandEventArgs e) {
switch(e.CommandName)
{
case ("CheckedNow"):
CheckBox1.Checked = true;
break;
case ("UnCheckedNow"):
CheckBox1.Checked = false;
break;
}
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>asp.net Button example: how to use OnCommand and CommandName property</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<h2 style="color:Fuchsia">Using CommandName property</h2>
<asp:CheckBox ID="CheckBox1" runat="server" Text="Click the button for checked or unchecked" ForeColor="Red" />
<br /><br />
<asp:Button ID="Button1" runat="server" Text="Check Now" OnCommand="Button_Command" CommandName="CheckedNow" Font-Bold="true" ForeColor="Teal" />
<asp:Button ID="Button2" runat="server" Text="UnCheck Now" OnCommand="Button_Command" CommandName="UnCheckedNow" Font-Bold="true" ForeColor="Teal" />
</div>
</form>
</body>
</html>