How to bind the drop down value to grid

Hello Members,

Hope you are doing good!!

I am trying to add the dropdown value to grid...

Can any any guide me here

am adding the ASPX,CS code below

"form1" runat="server">
"FileUpload1" runat="server" />
"Dvisa" runat="server">
"1" Text="select">
"2" >1
"3" >2
"4" >3
"5" >4
"6" >5
"7" >6
"8" >7
"9" >8
"10" >9
"11" >10
"12" >11
"13" >12
"14" >13
"15" >14
"btnUpload" runat="server" Text="Submit" onclick="btnUpload_Click" />
"GridView1" runat="server" AutoGenerateColumns="False"
EmptyDataText = "No files uploaded" CellPadding="4"
EnableModelValidation="True" ForeColor="#333333" GridLines="None">
"White" ForeColor="#284775" />
"Text" HeaderText="File Name" />
<%--
"lnkDownload" Text = "Download" CommandArgument = '<%# Eval("Value") %>' runat="server" OnClick = "DownloadFile">
--%>
"lnkDelete" Text = "Delete" CommandArgument = '<%# Eval("Value") %>' runat = "server" OnClick = "DeleteFile" />
"#999999" />
"#5D7B9D" Font-Bold="True" ForeColor="White" />
"#5D7B9D" Font-Bold="True" ForeColor="White" />
"#284775" ForeColor="White" HorizontalAlign="Center" />
"#F7F6F3" ForeColor="#333333" />
"#E2DED6" Font-Bold="True" ForeColor="#333333" />

CS Code

protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
BindGrid();
}
}
protected void BindGrid()
{
string[] filePaths = Directory.GetFiles(Server.MapPath("~/images/"));
List files = new List();
foreach (string filePath in filePaths)
{
files.Add(new ListItem(Path.GetFileName(filePath), filePath));
}
GridView1.DataSource = files;
GridView1.DataBind();
}
protected void btnUpload_Click(object sender, EventArgs e)
{
if (FileUpload1.HasFile)
{
FileUpload1.SaveAs(Server.MapPath("~/images/") + FileUpload1.FileName);
BindGrid();
}
else
{
Response.Write("Please select file to upload");
}
}
protected void DownloadFile(object sender, EventArgs e)
{
string filePath = (sender as LinkButton).CommandArgument;
Response.ContentType = ContentType;
Response.AppendHeader("Content-Disposition", "attachment; filename=" + Path.GetFileName(filePath));
Response.WriteFile(filePath);
Response.End();
}
protected void DeleteFile(object sender, EventArgs e)
{
string filePath = (sender as LinkButton).CommandArgument;
File.Delete(filePath);
BindGrid();
}

Early response, Highly appriciated