C# (CSharp) DataLogin.CheckUsername示例

示例#1

    public bool UserNameExists(string userName)
    {
        datatable = datafile.CheckUsername(userName);
        int foundRows = datatable.Rows.Count;

        if (foundRows > 0)
        {
            return(true);
        }
        else
        {
            return(false);
        }
    }