Mega Code Archive

 
Categories / Delphi / VCL
 

Save-load a tstringgrid to-from a file

// Save a TStringGrid to a file procedure SaveStringGrid(StringGrid: TStringGrid; const FileName: TFileName); var f: TextFile; i, k: Integer; begin AssignFile(f, FileName); Rewrite(f); with StringGrid do begin // Write number of Columns/Rows Writeln(f, ColCount); Writeln(f, RowCount); // loop through cells for i := 0 to ColCount - 1 do for k := 0 to RowCount - 1 do Writeln(F, Cells[i, k]); end; CloseFile(F); end; // Load a TStringGrid from a file procedure LoadStringGrid(StringGrid: TStringGrid; const FileName: TFileName); var f: TextFile; iTmp, i, k: Integer; strTemp: String; begin AssignFile(f, FileName); Reset(f); with StringGrid do begin // Get number of columns Readln(f, iTmp); ColCount := iTmp; // Get number of rows Readln(f, iTmp); RowCount := iTmp; // loop through cells & fill in values for i := 0 to ColCount - 1 do for k := 0 to RowCount - 1 do begin Readln(f, strTemp); Cells[i, k] := strTemp; end; end; CloseFile(f); end; // Save StringGrid1 to 'c:\temp.txt': procedure TForm1.Button1Click(Sender: TObject); begin SaveStringGrid(StringGrid1, 'c:\temp.txt'); end; // Load StringGrid1 from 'c:\temp.txt': procedure TForm1.Button2Click(Sender: TObject); begin LoadStringGrid(StringGrid1, 'c:\temp.txt'); end;