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mshflexgrid如何聯(lián)動(dòng)數(shù)據(jù)庫(kù)刪除

發(fā)布時(shí)間:2021-12-14 14:00:21 來(lái)源:億速云 閱讀:144 作者:小新 欄目:大數(shù)據(jù)

小編給大家分享一下mshflexgrid如何聯(lián)動(dòng)數(shù)據(jù)庫(kù)刪除,希望大家閱讀完這篇文章之后都有所收獲,下面讓我們一起去探討吧!

Mshflexgrid屬性運(yùn)用

MSHFlexGrid1.Row 返回當(dāng)前選中的行號(hào)

MSHFlexGrid1.TextMatrix(MSHFlexGrid1.Row, 0)代表返回指定行的第一列的值

刪除后的刷新思想

1、數(shù)據(jù)庫(kù)刪除后,重新進(jìn)行一遍查詢(不推薦,消耗性能大)

2、數(shù)據(jù)庫(kù)刪除后,直接在mshflexgrid上面進(jìn)行刪除指定行,使用語(yǔ)句MSHFlexGrid1.RemoveItem MSHFlexGrid1.Row

RemoveItem方法后面添加一個(gè)索引值,就可以刪除指定行

文件列表:

mshflexgrid如何聯(lián)動(dòng)數(shù)據(jù)庫(kù)刪除

界面:

mshflexgrid如何聯(lián)動(dòng)數(shù)據(jù)庫(kù)刪除

源代碼:

Option ExplicitDim sql As StringDim conn As New ADODB.ConnectionDim rs As ADODB.Recordset
Private Sub Command1_Click()If conn.State = 0 Then    conn.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & App.Path & "\Database3.mdb;Persist Security Info=False"    conn.OpenEnd If
sql = "insert into [users]([username],[password]) values('" & Text1.Text & "','" & Text2.Text & "')"
Set rs = New ADODB.Recordset
rs.Open sql, conn, adOpenKeyset, adLockBatchOptimistic'MsgBox "錄入成功!"
sql = "select * from users"rs.Open sql, conn, adOpenKeyset, adLockBatchOptimistic

Set MSHFlexGrid1.DataSource = rs
'表頭MSHFlexGrid1.TextMatrix(0, 0) = "唯一編號(hào)"MSHFlexGrid1.TextMatrix(0, 1) = "賬號(hào)"MSHFlexGrid1.TextMatrix(0, 2) = "密碼"
End Sub
Private Sub Command2_Click()If conn.State = 0 Then    conn.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & App.Path & "\Database3.mdb;Persist Security Info=False"    conn.OpenEnd If
Set rs = New ADODB.Recordsetsql = "select * from users"rs.Open sql, conn, adOpenKeyset, adLockBatchOptimistic
Set MSHFlexGrid1.DataSource = rs
'表頭MSHFlexGrid1.TextMatrix(0, 0) = "唯一編號(hào)"MSHFlexGrid1.TextMatrix(0, 1) = "賬號(hào)"MSHFlexGrid1.TextMatrix(0, 2) = "密碼"End Sub
Private Sub Command3_Click()
If conn.State = 0 Then    conn.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & App.Path & "\Database3.mdb;Persist Security Info=False"    conn.OpenEnd If
Set rs = New ADODB.Recordset
sql = "delete from [users] where [id]=" & MSHFlexGrid1.TextMatrix(MSHFlexGrid1.Row, 0)
rs.Open sql, conn, adOpenKeyset, adLockBatchOptimistic
'Call Command2_Click   '方法1
'方法2
MSHFlexGrid1.RemoveItem MSHFlexGrid1.Row
End Sub

看完了這篇文章,相信你對(duì)“mshflexgrid如何聯(lián)動(dòng)數(shù)據(jù)庫(kù)刪除”有了一定的了解,如果想了解更多相關(guān)知識(shí),歡迎關(guān)注億速云行業(yè)資訊頻道,感謝各位的閱讀!

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