文本框中的数字 [英] the number in textbox

问题描述

请帮助我，我在texetbox中将此文本放在databeas中是数字，我如何使该文本不影响垃圾

please help me i have the texetbox this this text in databeas is number how i can make this text dont accebte the litter

推荐答案

如以下堆栈溢出问题中所述:

http://stackoverflow.com/questions/463299/how-do-i-make-a-textbox-that-only-accepts-numbers [

You have a couple options, as specified in this Stack Overflow question:

http://stackoverflow.com/questions/463299/how-do-i-make-a-textbox-that-only-accepts-numbers[^]

由于您仅将问题标记为C#，我不确定是否要在Windows或Web App中执行此操作.
无论如何，我都会使用正则表达式.
首先，可以使用以下RegEx.

As you have only tagges your question to C#, I am not sure if you want to do this in Windows or Web App.
In any case, I would use the regular expressions.
For start, you can use the following RegEx.

Regex regex = new Regex("^[0-9]+

" );

");

阅读有关正则表达式 [

Read more about the Regex [^]class on MSDN.

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