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VBA to identify cells in red

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问题 The title may be typically simple but I did not get a solution yet even after researching over several forums on the net. Let me explain the problem. I have an excel workbook where few columns uses if conditions that refers other cells. Based on the cell's content, the back color of the cell is defined. For eg. If a cell is blank, it automatically changes to red. These red cells indicates missing information. So I am trying to design a macro to identify these red cells and get the address of

学生优化篇（二）

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一.查询显示查询到的记录条数当我们点击查询的时候，比如说我数据库中有一个学号为1的人的信息，然后我输入学号为2，点击查询，窗体毫无反应，我们需要优化，来给用户提示，表示确实进行了查询操作，其实非常简单，在窗体中添加一个标签框，输入下面的代码就可以了。 n = mrc.RecordCount Label1.Caption = "查询到" & n & "条记录" 二.修改密码后需重新登录程序 MsgBox "修改密码成功！请重新登录", vbOKOnly + vbExclamation, "修改密码" Me.Hide frmmain.Hide Unload frmflogin frmflogin.Show 三.check控件在查询窗体中我们设置了查询条件后，单击查询，查询到结果后如果我们想再次查询的话，点击check框后，后面的text框中的内容不会自动清除，用户使用起来十分的不便，我们在check控件的单击事件中添加下列代码： Private Sub Check1_Click() If Not Check1.Value Then txtSID.Text = "" End If a = Check1.Value If a = 1 Then '当选中时候文本框可用 txtSID.Text = "" txtSID.Enabled = True txtSID.SetFocus Else

Differences Between vbLf, vbCrLf & vbCr Constants

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I used constants like vbLf , vbCrLf & vbCr in a MsgBox ; it produces same output in a MsgBox (Text "Hai" appears in a first paragraph and a word "Welcome" appears in a next Paragraph ) MsgBox("Hai" & vbLf & "Welcome") MsgBox ("Hai" & vbCrLf & "Welcome") MsgBox("Hai" & vbCr & "Welcome") I know vbLf , vbCrLf & vbCr are used for print and display functions. I want to know the Difference between the vbLf , vbCrLf & vbCr constants. Constant Value Description ---------------------------------------------------------------- vbCr Chr(13) Carriage return vbCrLf Chr(13) & Chr(10) Carriage return

How to change MsgBox message caption at runtime?

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问题 I need to change the default caption of a MsgBox message box at runtime. Currently it constantly shows the value of the SetupAppTitle directive as a caption: [Setup] SetupAppTitle=myAppName But this is specified at compilation time. How to do this at runtime, e.g. from a [Code] section ? 回答1: I don't think changing of the application title (if possible) would be a good idea only for displaying dialog title. So I would use the Windows MessageBox which is even used by the MsgBox. Here is a

Differences Between vbLf, vbCrLf & vbCr Constants

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问题 I used constants like vbLf , vbCrLf & vbCr in a MsgBox ; it produces same output in a MsgBox (Text \"Hai\" appears in a first paragraph and a word \"Welcome\" appears in a next Paragraph ) MsgBox(\"Hai\" & vbLf & \"Welcome\") MsgBox (\"Hai\" & vbCrLf & \"Welcome\") MsgBox(\"Hai\" & vbCr & \"Welcome\") I know vbLf , vbCrLf & vbCr are used for print and display functions. I want to know the Difference between the vbLf , vbCrLf & vbCr constants. 回答1: Constant Value Description ------------------