But, when this value is binded - i.e: GvEmployee.DataBind(); - in the "RowDataBound" event of the GridView called "GvEmployee", the value is shown as:

4/03/2013 12:00:00 a. m. - note the non-breaking space added.

and the System.FormatException exception occurs:

System.FormatException: 'String was not recognized as a valid DateTime.'

This error is due the non-breaking space and the a.m. additional string. If I remove those characters - while debugging at runtime - , the DateTime conversion can be done.

This the code where the error occurs:

protected void GvEmployee_RowDataBound(object sender, GridViewRowEventArgs e)
{
    string id; // This is a reusable variable.

    // Check rows only: 
    if (e.Row.RowIndex >= 0)
    {
        // Get the value stored in the given cell at the row: 
        id = e.Row.Cells[3].Text;
        
        // Here, the value of "id" variable is: "4/03/2013 12:00:00 a. m.".
        // But, the value returned by the database is: "04/03/2013 12:00:00 a.m.".
        
        // Check if the "id" variable is not empty...
        if (!id.Equals(" ") && !string.IsNullOrEmpty(id))
        {
            // Here fails, due to the value of "id" variable, that is: "4/03/2013 12:00:00 a. m."
            // isn't recognized as a valid DateTime value.
            e.Row.Cells[3].Text = Convert.ToDateTime(id, CultureInfo.CurrentCulture).ToShortDateString();
        }
    }
}

As you can see, the

This is very strange since this project is already published and only happens on my notebook - I believe there is some missing configuration in the notebook I'm using for work on this project, but, I haven't found any clue about what that could be - I didn't know about non-breaking spaces until this problem happens to me and I found this