[VB.NET]請大家幫忙!!!select delete insert button 問題
发布时间：2020-12-16 23:42:22 所属栏目：大数据 来源：网络整理
导读：請大家幫忙!!!select delete insert button 問題 http://space.uwants.com/batch.download.php?aid=490130 select button 在不load database 的時候 按下去 error delete button 在不load database 的時候 按下去 error insert button 在不load database 的
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請大家幫忙!!!select delete insert button 問題 http://space.uwants.com/batch.download.php?aid=490130 select button 在不load database 的時候 按下去 error delete button 在不load database 的時候 按下去 error insert button 在不load database 的時候 按下去 error 已上應該是出現問題的. 上面是我的 測試版 請大家看看那裡錯了.. <用的是 vb.net 2005+access+dataset> 請幫忙改.. 我e-mail是:lck0328@hotmail.com thx!!!!!!!感激不盡!!!!!!! __________________________________________________________________________ 连不上啊。 __________________________________________________________________________ 1. Private Sub btnSelect_Click(ByVal sender As System.Object,ByVal e As System.EventArgs) Handles btnSelect.Click If txt1.Text = Then MessageBox.Show( Error! ) Else DMLDataGrid( select * from members where Membership_name= & _ txt1.Text & ORDER BY Membership_number ) End If txt1.Text & order by Membership_number 123 ) DMLDataGrid( SELECT * FROM members WHERE Membership_name = & _ txt1.Text & ORDER BY Membership_number ASC ) End Sub 2. Sub DMLDataGrid(ByVal sqlStr As String) Declare and populate the data table Dim dt As New DataTable() Dim connStr As String = Provider = Microsoft.Jet.OLEDB.4.0; & _ Data Source = + Application.StartupPath() + /Resort.mdb Dim dataAdapter As New OleDb.OleDbDataAdapter(sqlStr,connStr) dataAdapter.Fill(dt) dataAdapter.Dispose() DataGrid1.DataSource = Dsmembers1.Members DataGrid1.DataSource = Dsmembers1.Members.Membership_numberColumn Display the names of the cities in the specified country MsgBox( The record has been updated. ) End Sub __________________________________________________________________________ 回覆樓2 剛測試 下載的 LINK 沒問題 ...QQ.請再下載多1次看看! http://space.uwants.com/batch.download.php?aid=490130 __________________________________________________________________________ 回覆:dutguoyi(新鲜鱼排) SELECT 的時候 打入數字 是全部 SHOW 了出來... ~_~我想要的是在TEXTBOX打入數字 1.(橫行) 只出那人的資料而已. 剛試了.打1字 就全部 資料 出來了.不是個人的資料!QQ __________________________________________________________________________ ~_~我要的是..沒打資料之前.按一下 select button 會跳出句字說 *(&*^& 在打入數字之後 只要那1個人的資料.沒其他人的資料出現... 謝謝各位!!!!!!! __________________________________________________________________________ 1. Sub DMLDataGrid(ByVal sqlStr As String) Declare and populate the data table Dim dt As New DataTable Dim connStr As String = Provider = Microsoft.Jet.OLEDB.4.0; & _ Data Source = + Application.StartupPath() + /Resort.mdb Dim dataAdapter As New OleDb.OleDbDataAdapter(sqlStr,connStr) dataAdapter.Fill(dt) dataAdapter.Dispose() DataGrid1.DataSource = dt 为什么是另外一个数据集，Fill(dt) DataGrid1.DataSource = Dsmembers1.Members.Membership_numberColumn Display the names of the cities in the specified country MsgBox( The record has been updated. ) End Sub 2. 在窗体上要填写Member Number为什么过滤条件是Membership_name=，还有Membership_number是Number类型，为什么用Membership_name= 这样的定义方式，分清字符串和整型的定义区别。 Private Sub btnSelect_Click(ByVal sender As System.Object,ByVal e As System.EventArgs) Handles btnSelect.Click If txt1.Text = Then MessageBox.Show( Error! ) Else DMLDataGrid( select * from members where Membership_number= & _ txt1.Text & ORDER BY Membership_number ) End If txt1.Text & order by Membership_number 123 ) DMLDataGrid( SELECT * FROM members WHERE Membership_name = & _ txt1.Text & ORDER BY Membership_number ASC ) End Sub __________________________________________________________________________ 謝謝你的幫忙............. __________________________________________________________________________ 回覆dutguoyi(新鲜鱼排) Sub DMLDataGrid(ByVal sqlStr As String) Declare and populate the data table Dim dt As New DataTable Dim connStr As String = Provider = Microsoft.Jet.OLEDB.4.0; & _ Data Source = + Application.StartupPath() + /Resort.mdb Dim dataAdapter As New OleDb.OleDbDataAdapter(sqlStr,connStr) dataAdapter.Fill(dt) dataAdapter.Dispose() DataGrid1.DataSource = dt 为什么是另外一个数据集，Fill(dt) DataGrid1.DataSource = Dsmembers1.Members.Membership_numberColumn Display the names of the cities in the specified country MsgBox( The record has been updated. ) End Sub 上面這句 如果DELETE 了就會出現問題.. __________________________________________________________________________ （编辑：李大同） 【声明】本站内容均来自网络，其相关言论仅代表作者个人观点，不代表本站立场。若无意侵犯到您的权利，请及时与联系站长删除相关内容! |