如何从文本框C中删除部分文本＃ [英] How Do I Remove Some Part Of Text From Textbox C#

问题描述

我的应用程序中有一个文本框，我在其中输入电子邮件。



点击按钮我希望在没有@domain的列表框中添加该文本.com。

i have a text box in my app in which i enter emails.

with a button click i want that text to be added in list box without @domain.com.

推荐答案

您可以获得 MailAddress Class 的帮助



http://msdn.microsoft.com/en-us/library/system .net.mail.mailaddress.aspx [ ^ ]



示例：

You can get the help of MailAddress Class

http://msdn.microsoft.com/en-us/library/system.net.mail.mailaddress.aspx[^]

example :

MailAddress Emailaddress = new MailAddress("[e-mail]");
string username = Emailaddress.User;
string domain = Emailaddress.Host;

输出：



用户名： testemail

域名： domain.com

这样做： -

点击事件进行以下编码; -

Do it like this :-
on click event do the following coding;-

private void button1_Click(object sender, EventArgs e)
        {
            string phase = textBox1.Text;
            char[] delim = new char[] {'@'}; //define '@' as a delimiter required for split() method
            string[] word; //* split method return output in array of sting*/
            word = phase.Split(delim, 2); /* return two string one the username (abc) from email-id and second the remaining one.*/
            listBox1.Items.Add(word[0]); //adds the first string (username) from the array.
            textbox1.clear();
            textbox1.focus(); 
        }

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