/// <summary>
/// 存在用户名
/// </summary>
/// <param name="name"></param>
/// <param name="pwd"></param>
/// <returns></returns>
public bool Exists2(string name, string pwd)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select count(1) from [dbo].[UserInfo] where u_name='" + name + "' and u_password='******'");
return(SQLHelper.Exists1(strSql.ToString()));
}
