DropDownlist的DataTextField显示多列数据

一般情况之下，DropDownList的DataTextField只是绑定一个列，因系统要求，DropDownList的DataTextField同时绑定多列来显示。如下图：

实现这个并不难，只要在存储过程或SQL语句写好即可。下面实现演示是使用存储过程，两个字段连接为一个，并给它一个别名 ([LName] + N' ' + [FName]) AS [FullName] 。

SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO

CREATE PROCEDURE [dbo].[usp_GetMember]
AS
SELECT [MemberId],([LName] + N' ' + [FName]) AS [FullName] FROM [dbo].[Member]

 在.aspx.cs绑定： 

 protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            Data_Binding();
        }
    }

    private void Data_Binding()
    { 
       Member objMember = new Member ();
       this.DropDownList1.DataSource = objMember.GetMember();
       this.DropDownList1.DataTextField = "FullName";  //绑定别名
       this.DropDownList1.DataBind();
    }