protected void btnDelete_Click(object sender, EventArgs e)
{
DatabaseConnectivity dbcon = new DatabaseConnectivity();
int ClientID = Convert.ToInt32(dropPatchClientName.SelectedValue);
int res = dbcon.deleteAClient(ClientID);
rowPatchClientName.Visible = false;
rowSubmit.Visible = false;
lblSubmission.Visible = true;
}