
此主题相关图片如下:qq截图20220723162043.png
登陆时出错
此主题相关图片如下:qq截图20220723162020.png

不知是哪出错了,查不出问题
Dim user As String = e.Form.Controls("ComboBox1").text
Dim sss As String = e.Form.Controls("ComboBox2").text
Dim pows As String = e.Form.Controls("TextBox1").text
Dim dl As WinForm.Button = e.Form.Controls("Button1")
Dim dt As DataTable = DataTables("用户表")
Dim dr As DataRow
If user = "" Then
MessageBox.show("请输入用户名称!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Error)
Return
Else
dr = dt.sqlfind("用户名称='" & user & "'")
If dr IsNot Nothing Then
If pows = dr("密码") Then
dr("登陆时间") = Date.Now
dr("登陆账套") = sss
dr.Save()
usna = user
syscmd.project.open(ProjectFile, sss)
e.Form.close
PopMessage("登陆成功", "提示", PopIconEnum.Infomation, 1)
'syscmd.project.Exit(True)
'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
MessageBox.show("成功登陆", "提示", MessageBoxButtons.OK, MessageBoxIcon.Error)
我用MessageBox.show("成功登陆", "提示", MessageBoxButtons.OK, MessageBoxIcon.Error),测试都已弹出汇话框,这个代码应该没有错