Mega Code Archive
How to sort a StringGrid
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Title: How to sort a StringGrid
procedure SortStringGrid(var GenStrGrid: TStringGrid; ThatCol: Integer);
const
// Define the Separator
TheSeparator = '@';
var
CountItem, I, J, K, ThePosition: integer;
MyList: TStringList;
MyString, TempString: string;
begin
// Give the number of rows in the StringGrid
CountItem := GenStrGrid.RowCount;
//Create the List
MyList := TStringList.Create;
MyList.Sorted := False;
try
begin
for I := 1 to (CountItem - 1) do
MyList.Add(GenStrGrid.Rows[I].Strings[ThatCol] + TheSeparator +
GenStrGrid.Rows[I].Text);
//Sort the List
Mylist.Sort;
for K := 1 to Mylist.Count do
begin
//Take the String of the line (K 1)
MyString := MyList.Strings[(K - 1)];
//Find the position of the Separator in the String
ThePosition := Pos(TheSeparator, MyString);
TempString := '';
{Eliminate the Text of the column on which we have sorted the StringGrid}
TempString := Copy(MyString, (ThePosition + 1), Length(MyString));
MyList.Strings[(K - 1)] := '';
MyList.Strings[(K - 1)] := TempString;
end;
// Refill the StringGrid
for J := 1 to (CountItem - 1) do
GenStrGrid.Rows[J].Text := MyList.Strings[(J - 1)];
end;
finally
//Free the List
MyList.Free;
end;
end;
procedure TForm1.Button1Click(Sender: TObject);
begin
// Sort the StringGrid1 on the second Column
// StringGrid1 nach der 1. Spalte sortieren
SortStringGrid(StringGrid1, 1);
end;
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