protected void GridView1_SelectedIndexChanged(object sender, EventArgs e) { MediaEditDataSource.SelectParameters["Id"].DefaultValue = MediaGridView.SelectedValue.ToString(); MediaFormView.DataBind(); gridViewPanel.Visible = false; // Populate the DropDownList //getStatus((DropDownList)MediaFormView.FindControl("DropDownListStatus")); //ErrorLabel.Text = ((DropDownList)MediaFormView.FindControl("DropDownListStatus")).Items.ToString(); }