比较两个文本框，不要在两个文本框中输入相同的值 [英] Compare two textboxes, donot enter same value in both textboxes

问题描述

亲爱的朋友们，您好！



我想比较并验证两个文本框

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在我的网页上我有两个文本框，用户不能在两个文本框中输入相同的值。如果他在两个文本框中输入相同的值。它必须显示错误。



注意：两个文本框中的值必须不同。



请帮助，提前谢谢

Hello my dear friends,

I want to compare and validate two textboxes
============================================

on my webpage i have two textboxes, user must not enter same values in both textboxes. if he enter same values in both textboxes. it must show error.

Note : Values must be different in two textboxes.

Please help, thanks in advance

推荐答案

aspnetvalidationcontrols.html [ ^ ]



comparevalidator.asp [ ^ ]



http://msdn.microsoft.com/en-us/library/db330ayw(v=vs.71).aspx [ ^ ]



使用CompareValidator ..请看上面的链接..希望它能帮助..

aspnetvalidationcontrols.html[^]

comparevalidator.asp[^]

http://msdn.microsoft.com/en-us/library/db330ayw(v=vs.71).aspx[^]

Use CompareValidator..see the links above..hope it will help..

protected void button1_Click(object sender, EventArgs e)
       {
           if (TextBox1.Text.Trim() == "" || TextBox2.Text.Trim() == "")
               lblMessage.Text = "One or more input field is empty,Please enter values";

           if (TextBox1.Text.Trim() == TextBox2.Text.Trim())
               lblMessage.Text = "Please enter different values";

       }

这里是您要求的确切解决方案。



这将完全适合你。



http://www.w3schools.com/aspnet/showaspx.asp?filename=demo_comparevalidator2 [ ^ ]

Here the exact solution you are asking for.

This will work exactly for you.

http://www.w3schools.com/aspnet/showaspx.asp?filename=demo_comparevalidator2[^]

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