如何解决更新数据库时出现语法错误我在Visual Basic中使用Access
这是我的更新按钮代码。我将按照本教程(https://itsourcecode.com/free-projects/vb-net/connect-access-database-in-vb-net/)进行操作,但是我无法使用更新功能。 (“ UPDATE语句中的语法错误。”)
Private Sub Button3_Click(sender As Object,e As EventArgs) Handles btnUpdateItems.Click
Try
Dim sql As String
Dim cmd As New OleDb.OleDbCommand
Dim i As Integer
con.Open()
sql = "UPDATE tblVehicles SET CompanyName='" & txtModelYear.Text & "',ContactName='" & txtMake.Text & "',ContactTitle='" & txtModel.Text & "',Address='" & txtPowertrain.Text & "',City='" & txtBodyStyle.Text & "',Region='" & txtMSRP.Text & "',WHERE tblVehiclesID='" & Me.Text & "'"
cmd.Connection = con
cmd.CommandText = sql
i = cmd.ExecuteNonQuery
If i > 0 Then
MsgBox("Record has been UPDATED successfully!")
Else
MsgBox("No record has been UPDATED!")
End If
Catch ex As Exception
MsgBox(ex.Message)
Finally
con.Close()
End Try
End Sub
解决方法
您的逗号过多,我可能会怀疑ID是数字。因此:
sql = "UPDATE tblVehicles SET CompanyName='" & txtModelYear.Text & "',ContactName='" & txtMake.Text & "',ContactTitle='" & txtModel.Text & "',Address='" & txtPowertrain.Text & "',City='" & txtBodyStyle.Text & "',Region='" & txtMSRP.Text & "'
WHERE tblVehiclesID=" & Me.Text & ""
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