conn.ConnectionString=("server=localhost;uid=sa;pwd=;database=aaa") conn.Open() strSql="select * from 表名;" dim Cmd=New SqlCommand(strSql,conn) dim myRead=Cmd.ExecuteReader() this.ddledu.DataSource=myRead this.ddledu.DataTextField="实际显示的列名" this.ddledu.DataValueField="后台操纵的列名" this.ddledu.DataBind()
在下拉框显示出什么?
conn.Open()
strSql="select * from 表名;"
dim Cmd=New SqlCommand(strSql,conn)
dim myRead=Cmd.ExecuteReader()
this.ddledu.DataSource=myRead
this.ddledu.DataTextField="实际显示的列名"
this.ddledu.DataValueField="后台操纵的列名"
this.ddledu.DataBind()