绑定Lookup

来源：互联网发布：如何运行mysql命令编辑：程序博客网时间：2024/06/05 04:21

C# code

       /// <summary>
        /// 绑定LookupEdit
        /// </summary>
        /// <param name="LookUp">控件名</param>
        /// <param name="TableName">表名</param>
        /// <param name="columnValueName">Value字段</param>
        /// <param name="columnDispName">显示字段</param>
        /// <param name="Condition">提取表的条件</param>
        /// <param name="type">Value字段类型</param>
        public static void BindLookUpbyCondition(DevExpress.XtraEditors.LookUpEdit LookUp, string TableName, string columnValueName, string columnDispName, string Condition ,Type type)
        {
            MES.BLL.BaseDataManage m = new BaseDataManage();
            DataTable DT = AppHelper.GetTableByTabaleNameAndColumnNameAndCondition(TableName, columnValueName, columnDispName, Condition);
            DataTable sourceDT = new DataTable();
            DataColumn c = new DataColumn();
            c.Caption = "序号";
            c.ColumnName = "CODE";
            c.DataType = type;
            sourceDT.Columns.Add(c);
            c = new DataColumn();
            c.Caption = "值";
            c.ColumnName = "DISP";
            c.DataType = typeof(System.String);
            sourceDT.Columns.Add(c);
            foreach (DataRow r in DT.Rows)
            {

                DataRow rowNew = sourceDT.NewRow();


                if (type.FullName == "System.String")
                {
                    rowNew["CODE"] = r[columnValueName].ToString();

                }
                else
                {
                    rowNew["CODE"] = (int)(decimal)r[columnValueName];
                }
                rowNew["DISP"] = r[columnDispName].ToString();
                sourceDT.Rows.Add(rowNew);
            }
            LookUp.Properties.DataSource = sourceDT;
            LookUp.Properties.Columns.Clear();
            LookUp.Properties.Columns.Add(new DevExpress.XtraEditors.Controls.LookUpColumnInfo(c.ColumnName, 200, c.Caption));
            LookUp.Properties.DisplayMember = c.ColumnName;

            LookUp.Properties.ValueMember = "CODE";
            LookUp.Properties.NullText = "--请选择--";
        }