c# 字符串转为数字

C#判断输入是否数字

 /// <summary>
 /// 判断输入是否数字
 /// </summary>
 /// <param name="num">要判断的字符串</param>
 /// <returns></returns>
 static public bool VldInt(string num)
 {
     #region
     int ResultNum;
     return int.TryParse(num, out ResultNum);
     #endregion
 }

http://www.cnblogs.com/zhouzangood/articles/3613738.html