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Closed 11 years ago.

我正在校验在 VB 中的 KeyPress 事件上的文本框。

VB.Net

If InStr("0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz`~!@#$%^&*()_+|[]{};:<>/?,. " & """" & Chr(8), Chr(KeyAscii)) = 0 Then KeyAscii = 0

What will be it s equivalent in C# ? Thanks.

Answer 1

来自""http://www. developmentercom/tools/convert/vb-to-csharp/" rel="nofollow" >DeveloperFusion :

if (Strings.InStr("0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz`~!@#$%^&*()_+|\[]{};:<>/?,. " + """ + Strings.Chr(8), Strings.Chr(KeyAscii)) == 0)
KeyAscii = 0;

http://www.carlosag.net/tools/codetranslator/"rel="nofollow">Code笔译员 :

if (((("0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz`~!@#$%^&*()_+|\[]{};:<>/?,. " + (""" +  8 )).IndexOf(((char)(KeyAscii))) + 1) 
        == 0))
{
KeyAscii = 0;
}

[我不知道哪个是正确的!

Answer 2

if (Strings.InStr("0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz`~!@#$%^&*()_+|\[]{};:<>/?,. " + """ + Strings.Chr(8), Strings.Chr(KeyAscii)) == 0)
KeyAscii = 0;

a href="http://converter.telerik.com/" rel="no follow" >Telerik转换器

微软.Visual Basic 图书馆具有String.InStr 方法的应用。

Answer 3

if (Strings.InStr("0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz`~!@#$%^&*()_+|\[]{};:<>/?,. " + """ + Strings.Chr(8), Strings.Chr(KeyAscii)) == 0)
    KeyAscii = 0;

我使用这个"http://www. developmentercom/tools/convert/vb-to-csharp/"rel="nofollow"

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