vb.net 中如何使用SQL语句查询数据库
来源:百度知道 编辑:UC知道 时间:2024/05/10 05:00:26
(只采纳解答比较详细的,代码解释清楚的。)
用的是vb2003
我是这样做的:
Dim ConnectionString As String = _
"Provider=Microsoft.Jet.OleDb.4.0;_DatacSource = App.Path+\temp.mdb"
Dim myconn As OleDbConnection = New OleDbConnection()
myconn.ConnectionString = ConnectionString
Dim strcom As String = "select * form 通讯录"
OleDbConnection1.Open()
Dim strdele As String="DELTEL 表 WHERE 姓名='MMM'"
Dim mycommand As OleDbCommand = New OleDbCommand(strdele, myconn)
mycommand.ExecuteNonQuery() '从数据库中删除记录
DataSet1.Tables("通讯录").Rows(mybind.Position).Delete() '逻辑删除
DataSet1.Tables("通讯录").AcceptChanges()