private void btnadd_Click(object sender, EventArgs e) { if (txt_catname.Text == "") { PL.FRM_ERRORINSERT FError = new FRM_ERRORINSERT(); FError.Show(); } else { if (ID == 0) { BL.CLS_CAT BLCAT = new BL.CLS_CAT(); BLCAT.Insert(txt_catname.Text); PL.FRM_DADD fadd = new FRM_DADD(); fadd.Show(); this.Close(); } else { BL.CLS_CAT BLCAT = new BL.CLS_CAT(); BLCAT.Update(txt_catname.Text, ID); PL.FRM_DEDIT fedit = new FRM_DEDIT(); fedit.Show(); this.Close(); } } }