private void btnAddnew_Click(object sender, EventArgs e) { CompanyBL objCom = new CompanyBL(); DataTable dt = objCom.Addnew(); if (dt.Rows.Count > 0) { txtComID.Text = Convert.ToString(dt.Rows[0]["CompanyID"]); FormEnable(); btnSave.Enabled = true; txtComName.Focus(); btnAddnew.Enabled = false; } }