//Event subscription
this.sfDataGrid1.DrawCell += SfDataGrid1_DrawCell;

//Event customization
private void SfDataGrid1_DrawCell(object sender, DrawCellEventArgs e)
{
    if(e.Column.MappingName == "Hyperlink")
    {
        string displayText = e.DisplayText;
        int index = displayText.LastIndexOf('.');
        int firstIndex = displayText.IndexOf('.');
        int length = displayText.Length - (displayText.Length - index) - firstIndex;
        displayText = e.DisplayText.Substring(firstIndex + 1, length - 1);

        //To update text of hyperlink.
        e.DisplayText = displayText;
    }
}