//数字字符
public static string KeepNum(string str)
{
char[] tmp = new char[str.Length];
char[] s = str.ToCharArray();
for (int i = 0, j = 0; i < str.Length; i++)
{
if (s[i] >= '0' && s[i] <= '9')
{
tmp[j] = s[i];
j++;
}
}
return new string(tmp);
}
<input type="text" id="mobile" runat="server" maxlength="12" onkeyup="value=value.replace(/[^\d]/g,'')" />
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
/// <summary>
/// 声明委托
/// </summary>
/// <param name="name"></param>
public delegate void GreetPeopleDelegate(st ......
