- Foxtable(狐表) (http://foxtable.net/bbs/index.asp)
-- 专家坐堂 (http://foxtable.net/bbs/list.asp?boardid=2)
---- 未将对象引用设置到对象的实例 (http://foxtable.net/bbs/dispbbs.asp?boardid=2&id=117534)
-- 发布时间：2018/4/14 9:31:00
-- 未将对象引用设置到对象的实例
Dim Parts() As String = e.Form.Text.Split("-")
Dim txb1 As WinForm.TextBox = e.Form.Controls("TextBox1")
Dim txb2 As WinForm.TextBox = e.Form.Controls("TextBox2")
Dim txb3 As WinForm.TextBox = e.Form.Controls("TextBox3")
Dim OldUserName As String
OldUserName = Parts(Parts.Length -1)
Dim dr As DataRow =DataTables("用户表").Find("用户名称=\'" & OldUserName & "\'")
Dim dr2 As DataRow=DataTables("用户表").Find("用户名称=\'" & txb1.text & "\'" )
If dr2("_Identify")<> dr("_Identify")Then
MessageBox.show("已存在相同用户!","提示",MessageBoxButtons.OK,MessageBoxIcon.Warning)
Return
End If
Dim syb As WinForm.RadioButton = e.Form.Controls("RadioButton1")
Dim ymb As WinForm.RadioButton = e.Form.Controls("RadioButton2")
Dim yuga As WinForm.RadioButton = e.Form.Controls("RadioButton3")
Dim jili As WinForm.RadioButton = e.Form.Controls("RadioButton4")
If txb3.text<>txb2.text Then
MessageBox.show("密码输入不一致!","提示",MessageBoxButtons.OK,MessageBoxIcon.Warning)
Return
End If
dr("用户名称")=txb1.text
dr("密码")=txb2.text
If syb.Checked=True Then
dr("部门")="销售部"
Else
If ymb.Checked=True Then
dr("部门")="业务部"
End If
End If
If yuga.Checked=True Then
dr("职务")="员工"
Else
If jili.Checked=True Then
dr("职务")="经理"
End If
End If
dr.Save()
If Forms("用户管理").Opened Then
usna="admin"
Else
usna=txb1.text
End If
e.Form.close()
-- 发布时间：2018/4/14 9:41:00
--
要判断一下dr和dr2是否为空。
-- 发布时间：2018/4/14 9:48:00
--
看看：http://www.foxtable.com/webhelp/scr/2044.htm
-- 发布时间：2018/4/14 9:53:00
--
不对
-- 发布时间：2018/4/14 9:58:00
--
加了判断，还是一样有错误提示
-- 发布时间：2018/4/14 10:01:00
--
上传实例看看
-- 发布时间：2018/4/14 10:03:00
--
改了什么地方？还有什么错？改后的代码发上来
-- 发布时间：2018/4/14 10:20:00
--
Dim Parts() As String = e.Form.Text.Split("-")
Dim txb1 As WinForm.TextBox = e.Form.Controls("TextBox1")
Dim txb2 As WinForm.TextBox = e.Form.Controls("TextBox2")
Dim txb3 As WinForm.TextBox = e.Form.Controls("TextBox3")
Dim OldUserName As String
OldUserName = Parts(Parts.Length -1)
Dim dr As DataRow =DataTables("用户表").Find("用户名称=\'" & OldUserName & "\'")
Dim dr2 As DataRow=DataTables("用户表").Find("用户名称=\'" & txb1.text & "\'" )
If dr2("_Identify")<> dr("_Identify")Then
MessageBox.show("已存在相同用户!","提示",MessageBoxButtons.OK,MessageBoxIcon.Warning)
Return
End If
Dim syb As WinForm.RadioButton = e.Form.Controls("RadioButton1")
Dim ymb As WinForm.RadioButton = e.Form.Controls("RadioButton2")
Dim yuga As WinForm.RadioButton = e.Form.Controls("RadioButton3")
Dim jili As WinForm.RadioButton = e.Form.Controls("RadioButton4")
If txb3.text<>txb2.text Then
MessageBox.show("密码输入不一致!","提示",MessageBoxButtons.OK,MessageBoxIcon.Warning)
Return
End If
If dr IsNot Nothing Then
dr("用户名称")=txb1.text
dr("密码")=txb2.text
End If
\'If syb.Checked=True Then
\'dr("部门")="销售部"
\'Else
\'If ymb.Checked=True Then
\'dr("部门")="业务部"
\'End If
\'End If
\'If yuga.Checked=True Then
\'dr("职务")="员工"
\'Else
\'If jili.Checked=True Then
\'dr("职务")="经理"
\'End If
\'End If
dr.Save()
End If
If Forms("用户管理").Opened Then
usna="admin"
Else
usna=txb1.text
End If
e.Form.close()
提示还是一样
-- 发布时间：2018/4/14 10:39:00
--
此主题相关图片如下：1.png