【问题标题】:vb.net System.ArgumentOutOfRangeException was unhandledvb.net System.ArgumentOutOfRangeException 未处理
【发布时间】:2016-02-02 07:11:28
【问题描述】:

我是 VB.NET 的新手。我制作了一个程序,用于在 gridDataView 中显示 Excel 文件并将其导出到 MySQL 数据库。
但是我收到了这个警告:

“System.ArgumentOutOfRangeException 未处理”

有人可以帮忙吗?

代码如下:

Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

    Try
        Dim cn As New OleDbConnection("provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\Users\a.malibate\Desktop\test.xls; Extended Properties=Excel 8.0;")
        cn.Open()
        Dim da As New OleDbDataAdapter("select * from [Sheet1$]", cn)
        Dim dt As New DataTable
        da.Fill(dt)
    Catch ex As OleDbException
        MsgBox(ex.Message)
    End Try

    'setting the datagrid view
    With DataGridView1
        .AllowUserToAddRows() = False
        .BorderStyle() = BorderStyle.None
        .Columns(0).HeaderText = "Id"
        .Columns(1).HeaderText = "Name"
        .Columns(1).AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill
    End With

    'clearing memory

End Sub


Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BtnSave.Click
    BtnSave.Enabled = False
    Application.DoEvents()

    Dim cn As New SqlConnection("server=LENEL;database=PENSION;Integrated Security=SSPI")
    cn.Open()
    Dim cm As New SqlCommand
    With cm
        .Connection = cn
        For i As Integer = 0 To DataGridView1.RowCount - 1
            .CommandText = "insert into member_temporary values('" & DataGridView1.Rows(i).Cells(0).Value & "','" & DataGridView1.Rows(i).Cells(1).Value & "')"
            .ExecuteNonQuery()
        Next
    End With

    cm.Dispose()
    cm = Nothing
    With cn
        .Close()
        .Dispose()
    End With
    cn = Nothing

    MsgBox("Done")

    BtnSave.Enabled = True
End Sub

【问题讨论】:

    标签: mysql asp.net vb.net


    【解决方案1】:

    改变这个

    For i As Integer = 0 To DataGridView1.RowCount - 1
    

    到这里

    For i As Integer = 1 To DataGridView1.RowCount 
    

    datagridview 中没有第 0 行。它从 1 到行数。

    【讨论】:

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