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DataGrid Printing Class V1.0b

, 27 Feb 2006
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A DataGrid printing class.

UML Design

Sample Image

Preview

Sample Image

Introduction

The DataGrid control is one of the worst things to work with, yet very needed. The real problem about this control is printing the grid. This class supports RightToLeft printing, colored and aligned grid printing...

Background

I had to do a project that supports RightToLeft grid printing, but all the printing classes I found just didn't do the job. So, I made a new one...

Implementation

The main class is PrinterClass, it does the actual print. Grid is a class holding the DataGrid data, it's made of Cells and Headers. Cell represents a single cell in a grid with Location, Font Alignment etc. Header represents a single header cell (inherits Cell).

Using the code

Grid Creation

public Grid(DataGrid TheGrid)
{
    try
    {
        //get the Data in the grid
        DataTable TableGrid = (DataTable)TheGrid.DataSource;

        //set number of rows
        rows = TableGrid.Rows.Count;

        //set number of columns
        //first check if the grid has tablestyle and columnstyle

        CreateColumnStyles(TheGrid,TableGrid);

        if (TheGrid.TableStyles[TableGrid.TableName].GridColumnStyles.Count>0)
            columns = 
              TheGrid.TableStyles[TableGrid.TableName].GridColumnStyles.Count;

        //init number of columns to headers
        Headers = new Header[Columns];

        SetHeaders(TheGrid,TableGrid);

        Cells = new Cell[Rows,Columns];

        //Copy Cells
        for (int i=0;i<Rows;i++)
        {
            for (int j=0;j<Columns;j++)
            {
                Cells[i,j] = new Cell(i, j, TheGrid.Font, 
                   TheGrid.GetCellBounds(i,j), TheGrid[i,j].ToString());
            }
        }

        //define grid colors
        SetColors(TheGrid);
    }
    catch (Exception e)
    {
        Console.WriteLine(e.Message);
    }
}

Grid Printing

private void PrintDataGrid(Graphics g)
{
    StringFormat sf = new StringFormat();

    //if we want to print the grid right to left
    if (bRightToLeft)
    {
        CurrentX = PrintDoc.DefaultPageSettings.PaperSize.Width - 
        PrintDoc.DefaultPageSettings.Margins.Right;

        sf.FormatFlags = StringFormatFlags.DirectionRightToLeft;
    }
    else
    {
        CurrentX = PrintDoc.DefaultPageSettings.Margins.Left;
    }

    for (int i=0;i<PrintGrid.Rows;i++)
    {
        for (int j=0;j<PrintGrid.Columns;j++)
        {
            //set cell alignment
            switch (PrintGrid[i,j].Alignment)
            {
                    //left
                case HorizontalAlignment.Left:
                    sf.Alignment = StringAlignment.Near;
                    break;

                    //center
                case HorizontalAlignment.Center:
                    sf.Alignment = StringAlignment.Center;
                    break;

                    //right
                case HorizontalAlignment.Right:
                    sf.Alignment = StringAlignment.Far;
                    break;
            }

            //advance X according to order
            if (bRightToLeft)
            {
                //draw the cell bounds (lines)
                g.DrawRectangle(Pens.Black,CurrentX - PrintGrid[i,j].Width,
                CurrentY,PrintGrid[i,j].Width,PrintGrid[i,j].Height);

                //draw the cell text
                g.DrawString(PrintGrid[i,j].Text,
                   PrintGrid[i,j].Font,Brushes.Black,
                   new RectangleF(CurrentX - PrintGrid[i,j].Width, 
                   CurrentY, PrintGrid[i,j].Width,
                   PrintGrid[i,j].Height),sf);

                //next cell
                CurrentX -=PrintGrid[i,j].Width;

            }
            else
            {
                //draw the cell bounds (lines)
                g.DrawRectangle(Pens.Black ,CurrentX,CurrentY, 
                     PrintGrid[i,j].Width,PrintGrid[i,j].Height);

                //draw the cell text
                //Draw text by alignment
                    
                g.DrawString(PrintGrid[i,j].Text,PrintGrid[i,j].Font, 
                     Brushes.Black, new RectangleF(CurrentX,CurrentY, 
                     PrintGrid[i,j].Width,PrintGrid[i,j].Height),sf);

                //next cell
                CurrentX +=PrintGrid[i,j].Width;
            }

        }

        //reset to beginning
        if (bRightToLeft)
        {
            //right align
            CurrentX = PrintDoc.DefaultPageSettings.PaperSize.Width - 
                       PrintDoc.DefaultPageSettings.Margins.Right;
        }
        else
        {
            //left align
            CurrentX = PrintDoc.DefaultPageSettings.Margins.Left;
        }

        //advance to next row
        CurrentY = CurrentY + PrintGrid[i,0].Height;
    }
}

Current Todo:

  1. Fix - When grid is empty, header is not printed well.
  2. When grid is lager than the WIDTH of the page, continue to next.

Other DataGrid Printing Classes

License

This article has no explicit license attached to it but may contain usage terms in the article text or the download files themselves. If in doubt please contact the author via the discussion board below.

A list of licenses authors might use can be found here

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About the Author

nashcontrol
Web Developer
Israel Israel
No Biography provided

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Comments and Discussions

 
GeneralMy vote of 1 Pin
Syed Javed11-Jan-10 18:53
memberSyed Javed11-Jan-10 18:53 
Generalexcellent + small thing Pin
xor.be14-Nov-07 23:37
memberxor.be14-Nov-07 23:37 
Questioninvoice datagrid printing? Pin
geee27-Jun-07 15:56
membergeee27-Jun-07 15:56 
AnswerRe: invoice datagrid printing? Pin
nashcontrol27-Jun-07 21:44
membernashcontrol27-Jun-07 21:44 
GeneralRe: invoice datagrid printing? Pin
geee27-Jun-07 21:54
membergeee27-Jun-07 21:54 
GeneralPreview Shows Empty Page Pin
scptech5-May-07 5:38
memberscptech5-May-07 5:38 
GeneralRe: Preview Shows Empty Page Pin
nashcontrol5-May-07 11:34
membernashcontrol5-May-07 11:34 
Questionasp.net Pin
H.Riazi3-Dec-06 21:14
memberH.Riazi3-Dec-06 21:14 
GeneralDataGridColumnStyles Problem Pin
clueless2326-Nov-06 21:24
memberclueless2326-Nov-06 21:24 
GeneralPrintings cell values formatted like in datagrid Pin
Senol Akbulak28-Jul-06 4:41
memberSenol Akbulak28-Jul-06 4:41 
QuestionProblem in print preview [modified] Pin
v_sadeghpoor14-Jun-06 13:07
memberv_sadeghpoor14-Jun-06 13:07 
GeneralGrid Column Styles does not work Pin
project_manager14-Jun-06 0:14
memberproject_manager14-Jun-06 0:14 
GeneralNull text does not print Pin
project_manager13-Jun-06 19:52
memberproject_manager13-Jun-06 19:52 
Generalfit the datagrid Pin
Trimix28-Feb-06 15:29
memberTrimix28-Feb-06 15:29 
GeneralI don't understand Pin
nashcontrol9-Mar-06 10:22
membernashcontrol9-Mar-06 10:22 
GeneralConversion to DataGridView Pin
Nice Life23-Feb-06 2:12
memberNice Life23-Feb-06 2:12 
GeneralRe: Conversion to DataGridView Pin
Pink Floyd14-Mar-06 10:17
memberPink Floyd14-Mar-06 10:17 
GeneralRe: Conversion to DataGridView Pin
lilyminako14-Mar-06 15:08
memberlilyminako14-Mar-06 15:08 
GeneralRe: Conversion to DataGridView Pin
Djeez14-Mar-06 22:47
memberDjeez14-Mar-06 22:47 
GeneralRe: Conversion to DataGridView Pin
mariadelapaz27-Mar-06 9:40
membermariadelapaz27-Mar-06 9:40 
GeneralRe: Conversion to DataGridView Pin
Waruna Rajapakse5-Jun-06 23:45
memberWaruna Rajapakse5-Jun-06 23:45 
GeneralRe: Conversion to DataGridView Pin
karan_23_j11-Jun-06 19:54
memberkaran_23_j11-Jun-06 19:54 
GeneralRe: Conversion to DataGridView Pin
karan_23_j11-Jun-06 19:48
memberkaran_23_j11-Jun-06 19:48 
GeneralRe: Conversion to DataGridView Pin
Nice Life13-Jul-06 4:58
memberNice Life13-Jul-06 4:58 
GeneralActual print doesn't how data grid Pin
yarowave12-Feb-06 15:34
memberyarowave12-Feb-06 15:34 

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