以文本方式查看主题 - Foxtable(狐表) (http://foxtable.net/bbs/index.asp) -- 专家坐堂 (http://foxtable.net/bbs/list.asp?boardid=2) ---- [求助]sqlfind问题 (http://foxtable.net/bbs/dispbbs.asp?boardid=2&id=138181) |
-- 作者:晨曦396 -- 发布时间:2019/7/24 16:57:00 -- [求助]sqlfind问题 Dim cmc As WinForm.CheckedComboBox Dim c As String Dim d As String c= e.Form.Controls("ComboBox1").text cmc = e.Form.Controls("CheckedComboBox1") cmc.ComboList = DataTables("用户分组").SQLGetComboListString("分组") Dim i As Integer = 0 For Index As Integer = 0 To cmc.Items.Count - 1 Dim dr As DataRow = DataTables("用户分组").Find("分组 = \'" & cmc.Items(Index) & "\' And 用户 = \'" & c & "\'") If dr IsNot Nothing Then i = i+1 If i = 1 Then d= dr("分组") Else d= d & "," & dr("分组") End If End If Next e.Form.Controls("CheckedComboBox1").text = d 以上代码中 sql不能查询到数据,但是用find就能查到,(数据已经保存到后台数据库中)
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-- 作者:有点蓝 -- 发布时间:2019/7/24 17:02:00 -- Dim cmc As WinForm.CheckedComboBox Dim c As String Dim d As String c= e.Form.Controls("ComboBox1").text cmc = e.Form.Controls("CheckedComboBox1") cmc.ComboList = DataTables("用户分组").SQLGetComboListString("分组") cmc.text = DataTables("用户分组").SQLGetComboListString("分组","用户 = \'" & c & "\'").replace("|",",")
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-- 作者:晨曦396 -- 发布时间:2019/7/24 17:30:00 -- Dim i As Integer = 0 For Index As Integer = 0 To cmc.Items.Count - 1 Dim dr As DataRow = DataTables("用户分组").Find("分组 = \'" & cmc.Items(Index) & "\' And 用户 = \'" & c & "\'") If dr IsNot Nothing Then 是这个位置的,我用sqlfind 查 dr 是nothing ,但是改成用find ,就有数据 ,确定已经保存到后台了
[此贴子已经被作者于2019/7/24 17:30:59编辑过]
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-- 作者:有点蓝 -- 发布时间:2019/7/24 17:35:00 -- 代码没有问题。应该是数据的问题,到后台数据库看看用户列的类型是什么,数据是不是有很多空格? 另外没有必要在循环了,这样一句代码就够了 cmc.text = DataTables("用户分组").SQLGetComboListString("分组","用户 = \'" & c & "\'").replace("|",",")
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-- 作者:晨曦396 -- 发布时间:2019/7/24 17:39:00 -- 好的谢谢 |