private void btnSearch_Click(object sender, EventArgs e) { BL_frmCustomerSupport M = new BL_frmCustomerSupport(); M.Code = this.txtProductCode.Text.ToString(); M.TechNo = this.txtTechNo.Text.ToString(); M.Name = this.txtName.Text.ToString(); this.grdSearchResult.DataSource = M.SearchProduct(); this.grdSearchResult.Columns[0].Visible = false; this.grdSearchResult.Columns[4].Visible = false; this.grdSearchResult.Columns[3].Width = 600; this.grdSearchResult.Columns[2].Width = 200; this.grdSearchResult.Columns[1].HeaderText = "کد محصول"; this.grdSearchResult.Columns[2].HeaderText = "شماره فنی"; this.grdSearchResult.Columns[3].HeaderText = "شرح محصول"; }