private void btnDelete_Click(object sender, EventArgs e)
        {
            if (MessageBox.Show("Do You really want to delete this Client?", "DELETE", MessageBoxButtons.YesNo, MessageBoxIcon.Warning) == DialogResult.Yes)
            {
                int refclient = (int)gridAll.Rows[gridAll.CurrentRow.Index].Cells[0].Value;

                if (admin.Delete_Client(refclient))
                {
                    MessageBox.Show("House ID" + refclient + " is successfully Deleted", "House Deleted");
                }
                else
                {
                    MessageBox.Show("House ID " + refclient + " is not deleted.", "Try Again");
                }
            }
            admin.Refresh_Database();
            if (permission != 2)
            {
                gridAll.DataSource = admin.All_Client();
            }
            else
            {
                List <clsClient> temp = new List <clsClient>();
                temp.Add(agent.Searched_Cleint_For_This_Agent(refagent));
                gridAll.DataSource = temp;
            }
            ButtonControl(true, true, false, false, true, false);
        }