Foxtable(狐表)用户栏目专家坐堂 → 错误提示,怎么回事?


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主题:错误提示,怎么回事?

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错误提示,怎么回事?  发帖心情 Post By:2019/9/28 9:43:00 [显示全部帖子]

.NET Framework 版本:4.0.30319.1
Foxtable 版本:2019.9.20.1
错误所在事件:窗口,登陆,TextBox2,KeyDown
详细错误信息:
This row has been removed from a table and does not have any data.  BeginEdit() will allow creation of new data in this row.

TextBox2,KeyDown:

If  e.KeyCode = Keys.Enter Then
Dim btt As WinForm.Button = e.Form.Controls("Button1")
btt.PerformClick()
 e.Cancel = True
End If


Dim tx1 As WinForm.ComboBox = e.Form.Controls("ComboBox1")
Dim user As String=tx1.text
Dim sss As String=e.Form.Controls("ComboBox2").text
Dim dept As String=e.Form.Controls("ComboBox3").text

 
Dim tx2 As WinForm.TextBox = e.Form.Controls("TextBox2")
Dim pows As String=tx2.text
Dim dl As WinForm.Button = e.Form.Controls("Button1")
Dim dt As DataTable=DataTables("用户表")
Dim dr As DataRow


Button1:
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If user="" Then
    MessageBox.show("请输入用户名称!","提示",MessageBoxButtons.OK,MessageBoxIcon.Error)
    Return
Else
    dr=dt.find("用户名称='" & user & "'")
    If dr IsNot Nothing Then
        If pows=dr("密码") Then
            PopMessage("登陆成功","提示",PopIconEnum.Infomation,1)
e.Form.Close

            dr("登陆时间")=Date.Now
dr("登陆账套")=sss
dr.Save()
usna=user

pwsd = pows

dpt = dept


syscmd.project.open(ProjectFile,sss)


 Return
           
        Else
            MessageBox.show("密码错误","提示")
            Return
        End If
        
    Else
        MessageBox.show("用户不存在!","提示")
        Return
    End If

End If


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