protected void uiButtonUpdate_Click(object sender, EventArgs e) { DBLayer db = new DBLayer(); if (CurrentClass != 0) { db.UpdateClass(CurrentClass, uiTextBoxEnName.Text, uiTextBoxArName.Text, Convert.ToInt32(uiDropDownListClassType.SelectedValue)); } else { db.AddClass(uiTextBoxEnName.Text, uiTextBoxArName.Text, Convert.ToInt32(uiDropDownListClassType.SelectedValue)); } uiPanelCurrentClasses.Visible = true; uiPanelCurrent.Visible = false; ClearFields(); BindData(); }