Exemple #1
0
        /// <summary>
        /// 实现在列表没有记录的时候,可以录入一个不存在的记录,类似ComoboEidt功能
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        void CustomGridLookUpEdit_ProcessNewValue(object sender, DevExpress.XtraEditors.Controls.ProcessNewValueEventArgs e)
        {
            if (!DisableAddNew && !this.DesignMode)
            {
                string displayName = this.Properties.DisplayMember;
                string valueName   = this.Properties.ValueMember;
                string display     = e.DisplayValue.ToString();

                DataTable dtTemp = this.Properties.DataSource as DataTable;
                if (dtTemp != null)
                {
                    DataRow[] selectedRows = dtTemp.Select(string.Format("{0}='{1}'", displayName, display.Replace("'", "‘")));
                    if (selectedRows == null || selectedRows.Length == 0)
                    {
                        DataRow row = dtTemp.NewRow();
                        row[displayName] = display;
                        row[valueName]   = display;
                        dtTemp.Rows.Add(row);
                        dtTemp.AcceptChanges();
                    }
                }

                e.Handled = true;
            }
        }
        private void treeListLookUpEdit1_ProcessNewValue(object sender, DevExpress.XtraEditors.Controls.ProcessNewValueEventArgs e)
        {
            TreeList TreeList = treeListLookUpEdit1.Properties.TreeList;

            if (virtualMode)
            {
                e.Handled = true;
                ID++;
                TreeList.AppendNode(new object[] { e.DisplayValue, "Little-Medium", ID }, null);
            }
        }