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