private void BtnSearch_Click(object sender, EventArgs e)
{
string UserInput = TxbSearch.Text;
// Check the input
if (string.IsNullOrWhiteSpace(UserInput))
{
FlexibleMessageBox.Show("Geen waarde ingevuld om naar te zoeken!", "Ongeldige invoerwaarde!", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
return;
}
if (UserInput.Length < 3)
{
FlexibleMessageBox.Show("De zoekopdracht is te kort.\nProbeer een langere zoekopdracht.", "Zoekopdracht Te Kort!", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
return;
}
Cursor.Current = Cursors.WaitCursor;
BtnSearch.Enabled = false;
// Reset variables
CurrentRowIndex = DgvVoorraad.CurrentRow.Index;
MatchFound = false;
ResetCellStyle.BackColor = System.Drawing.Color.White;
FoundMatchCellStyle.BackColor = System.Drawing.Color.Yellow;
// Select current row
DgvVoorraad.ClearSelection();
DgvVoorraad.Rows[CurrentRowIndex].Selected = true;
// If a previous search has returned some results
if (MatchesFound > 0)
{
for (int RowIndex = 0; RowIndex < DgvVoorraad.Rows.Count; RowIndex++)
{
foreach (DataGridViewCell CellValue in DgvVoorraad.Rows[RowIndex].Cells)
{
CellValue.Style = ResetCellStyle;
}
}
}
// reset matches found
MatchesFound = 0;
// Start searching DGV
SearchDGV(0, DgvVoorraad.Rows.Count, UserInput);
// Display message depending on the amount of matches found
if (MatchFound == false)
{
FlexibleMessageBox.Show("De opgegeven waarde is niet gevonden.", "Niet gevonden");
}
else
{
FlexibleMessageBox.Show(MatchesFound + " overeenkomst(en) gevonden", "Gevonden Overeenkomsten");
}
BtnSearch.Enabled = true;
Cursor.Current = Cursors.Default;
}
/// <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];
}
}
}
}