Question

vb 变量C为文本框输入的一个字符，判断该字符是大小写字母、数字还是其他变量，必须用到下面的程序代码

If c >= "A" And c <= "Z" Then
Print "是大写字母"
ElseIf c >= "a" And c <= "z" Then.Print "是小写字母"
ElseIf c >= "0" And c <= "9" Then
Print "是数字"
Else
Print "是其他字符"
End If

Answer 1

Private Sub Text1_KeyPress(KeyAscii As Integer)
Dim c As String
c = Chr(KeyAscii)
If c >= "A" And c <= "Z" Then
Print "是大写字母野早如"
ElseIf c >= "a" And c <= "z" Then
Print "是睁源小写字母"
ElseIf c >= "0" And c <= "9" Then
Print "是数字"
Else
Print "是其他字颂启符"
End If
End Sub

Answer 2

楼主，你结尾差一个End Sub

Answer 3

容易， 判断它的asc码

Answer 4

是什么问题