很简单的关于datagrid控件显示access数据库表的问题
vb.net用oledb连接access数据库,用datagrid显示表的内容:
Dim conn As System.Data.OleDb.OleDbConnection
Dim cmd As System.Data.OleDb.OleDbCommand
Dim reader As System.Data.OleDb.OleDbDataReader
Dim strConnect As String
strConnect = "provide=microsoft.jet.oledb.4.0;data source=c:\a.mdb"
conn = New OleDb.OleDbConnection(strConnect)
conn.Open()
cmd = New OleDb.OleDbCommand("select * from b", conn)
reader = cmd.ExecuteReader()
DataGrid1.DataSource = reader
可是datagrid1中无法显示,是否还要加一条什么语句?
问题点数:0、回复次数:1Top
1 楼wangdu2()回复于 2006-07-03 21:19:33 得分 0
少了reader.read()Top




