/// <summary>
        /// Look through the datagridview for the matching string
        /// </summary>
        /// <param name="StartIndex">The starting location</param>
        /// <param name="EndIndex">The final location</param>
        /// <param name="SearchString">The search paramater</param>
        private void SearchDGV(int StartIndex, int EndIndex, string SearchString)
        {
            // Iterate through DGV rows, from StartIndex to EndIndex of DGV
            for (int RowIndex = StartIndex; RowIndex < EndIndex; RowIndex++)
            {
                bool MatchFoundInCell = false;

                // Iterate through each cell of current row (RowIndex) and check for a match
                foreach (DataGridViewCell CellValue in DgvVoorraad.Rows[RowIndex].Cells)
                {
                    // Ignore checkboxes
                    if (CellValue.GetType() == typeof(DataGridViewCheckBoxCell))
                    {
                        continue;
                    }
                    // If match is found, set matchFoundInCell to true;
                    if (CellValue.Value.ToString().ToLower().Contains(SearchString.ToLower()))
                    {
                        if (CellValue.Visible == true)
                        {
                            MatchFoundInCell = true;
                        }
                    }
                }
                // Highlight each cell in a row if it a match was found
                if (MatchFoundInCell == true)
                {
                    MatchFound    = true;
                    MatchesFound += 1;

                    // Change cell BackGround Color
                    foreach (DataGridViewCell CellValue in DgvVoorraad.Rows[RowIndex].Cells)
                    {
                        CellValue.Style = FoundMatchCellStyle;
                    }
                    // Continue searching or stop search at current match
                    if (FindAllMatches == false && MatchFoundInCell == true)
                    {
                        DgvVoorraad.ClearSelection();
                        DgvVoorraad.Rows[RowIndex].Selected = true;
                        DgvVoorraad.CurrentCell             = DgvVoorraad.Rows[RowIndex].Cells[0];
                    }
                }
            }
        }