vb.net转小写 vb转换大小写字母程序

vb.net大小写字母转换Private Sub Button6_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button6.Click
Dim s As String = "0Ff0ajkh04624F"
Dim i As Integer = 0
Dim sTemp As String = ""
【vb.net转小写 vb转换大小写字母程序】Dim ss As String = ""
For i = 1 To Strings.Len(s)
sTemp = Mid(s, i, 1)
If Asc(sTemp) = 65 And Asc(sTemp) = 90 Then
sTemp = LCase(sTemp)
ElseIf Asc(sTemp) = 95 And Asc(sTemp) = 122 Then
sTemp = UCase(sTemp)
Else
sTemp = sTemp
End If
ss = sssTemp
Next
MsgBox(ss)
End Sub
怎么用VB.NET 编写大小写转化程序Private Sub TextBox1_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles TextBox1.KeyPress e.KeyChar 使用参数e来控制输入字符 End Sub追问:能给出大小写切换程序的整段 源代码 吗回答:我不明白你的大小写切换程序是要实现什么功能是输入 大写 变小写吗?追问:是的回答:If e.KeyChar.IsLower(e.KeyChar) = True Then e.KeyChar.ToUpper(e.KeyChar)或If e.KeyChar.IsUpper(e.KeyChar) = True Then e.KeyChar.ToLower(e.KeyChar)
vb.net中的字符大小写转换函数 是哪个?Stringvb.net转小写的成员函数中就有 ToUpper() 和 ToLower()啊
Dim a As String = "abcEd"
Dim b As String = a.ToUpper() //大写
Dim c As String = a.ToLower() //小写
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