Change DropDownList width programmatically in asp.net c#

How to set, change DropDownList width programmatically
DropDownListWidth.aspx
<%@ Page Language="C#" %>

<!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, System.EventArgs e)
    {
        DropDownList1.Width = 200;
    }
    protected void Button2_Click(object sender, System.EventArgs e)
    {
        DropDownList1.Width = 300;
    }
</script>

<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
    <title>How to set, change DropDownList width programmatically</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <h2 style="color:Fuchsia">DropDownList: Change Width</h2>
        <asp:Label 
             ID="Label1"
             runat="server"
             Font-Bold="true"
             ForeColor="CadetBlue"
             Text="asp.net controls"
             >
        </asp:Label>
        <asp:DropDownList 
             ID="DropDownList1"
             runat="server"
             >
             <asp:ListItem>PasswordRecovery</asp:ListItem>
             <asp:ListItem>SiteMapDataSource</asp:ListItem>
             <asp:ListItem>ValidationSummary</asp:ListItem>
             <asp:ListItem>RequiredFieldValidator</asp:ListItem>
             <asp:ListItem>LoginStatus</asp:ListItem>
        </asp:DropDownList>
        <br /><br />
        <asp:Button 
             ID="Button1"
             runat="server"
             Font-Bold="true"
             ForeColor="CadetBlue"
             Text="Set Width 200"
             OnClick="Button1_Click"
             />
        <asp:Button 
             ID="Button2"
             runat="server"
             Font-Bold="true"
             ForeColor="CadetBlue"
             Text="Set Width 300"
             OnClick="Button2_Click"
             />
    </div>
    </form>
</body>
</html>








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