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  #1 (permalink)  
Old February 23rd, 2007, 02:57 AM
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Default Write an Excel File.

Hi Freinds..

  I am very beginner with c#.NET. I have to make an Excel File, how can i do that pls help me waiting for the reply...


  Thanks for any effort...!

DPK..
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Old February 23rd, 2007, 06:47 AM
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Hello,
If you want to make the excel file from your database then you can do the followings...
1. Use a DataGrid to bind database.
2. write the DataGrid data as stream to Html information.
3. Use FileStream and BinaryWriter to create file, and then
4. Write information to the file.
Angshujit

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  #3 (permalink)  
Old February 24th, 2007, 01:50 AM
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Quote:
quote:Originally posted by angshujit
 Hello,
If you want to make the excel file from your database then you can do the followings...
1. Use a DataGrid to bind database.
2. write the DataGrid data as stream to Html information.
3. Use FileStream and BinaryWriter to create file, and then
4. Write information to the file.
Angshujit



thanks for you reply!!!

I have code but i am getting error..in it
can you help me..what is this code..and what are the needs to make it run in system to make excel.
Code is below:
-------------------------------------------------------------
private void button1_Click(object sender, System.EventArgs e)
{
    Excel.Application oXL;
    Excel._Workbook oWB;
    Excel._Worksheet oSheet;
    Excel.Range oRng;

    try
    {
        //Start Excel and get Application object.
        oXL = new Excel.Application();
        oXL.Visible = true;

        //Get a new workbook.
        oWB = (Excel._Workbook)(oXL.Workbooks.Add( Missing.Value ));
        oSheet = (Excel._Worksheet)oWB.ActiveSheet;

        //Add table headers going cell by cell.
        oSheet.Cells[1, 1] = "First Name";
        oSheet.Cells[1, 2] = "Last Name";
        oSheet.Cells[1, 3] = "Full Name";
        oSheet.Cells[1, 4] = "Salary";

        //Format A1:D1 as bold, vertical alignment = center.
        oSheet.get_Range("A1", "D1").Font.Bold = true;
        oSheet.get_Range("A1", "D1").VerticalAlignment =
            Excel.XlVAlign.xlVAlignCenter;

        // Create an array to multiple values at once.
        string[,] saNames = new string[5,2];

        saNames[ 0, 0] = "John";
        saNames[ 0, 1] = "Smith";
        saNames[ 1, 0] = "Tom";
        saNames[ 1, 1] = "Brown";
        saNames[ 2, 0] = "Sue";
        saNames[ 2, 1] = "Thomas";
        saNames[ 3, 0] = "Jane";
        saNames[ 3, 1] = "Jones";
        saNames[ 4, 0] = "Adam";
        saNames[ 4, 1] = "Johnson";

            //Fill A2:B6 with an array of values (First and Last Names).
            oSheet.get_Range("A2", "B6").Value2 = saNames;

        //Fill C2:C6 with a relative formula (=A2 & " " & B2).
        oRng = oSheet.get_Range("C2", "C6");
        oRng.Formula = "=A2 & \" \" & B2";

        //Fill D2:D6 with a formula(=RAND()*100000) and apply format.
        oRng = oSheet.get_Range("D2", "D6");
        oRng.Formula = "=RAND()*100000";
        oRng.NumberFormat = "$0.00";

        //AutoFit columns A:D.
        oRng = oSheet.get_Range("A1", "D1");
        oRng.EntireColumn.AutoFit();

        //Manipulate a variable number of columns for Quarterly Sales Data.
        DisplayQuarterlySales(oSheet);

        //Make sure Excel is visible and give the user control
        //of Microsoft Excel's lifetime.
        oXL.Visible = true;
        oXL.UserControl = true;
    }
    catch( Exception theException )
    {
        String errorMessage;
        errorMessage = "Error: ";
        errorMessage = String.Concat( errorMessage, theException.Message );
        errorMessage = String.Concat( errorMessage, " Line: " );
        errorMessage = String.Concat( errorMessage, theException.Source );

        MessageBox.Show( errorMessage, "Error" );
    }
}

private void DisplayQuarterlySales(Excel._Worksheet oWS)
{
    Excel._Workbook oWB;
    Excel.Series oSeries;
    Excel.Range oResizeRange;
    Excel._Chart oChart;
    String sMsg;
    int iNumQtrs;

    //Determine how many quarters to display data for.
    for( iNumQtrs = 4; iNumQtrs >= 2; iNumQtrs--)
    {
        sMsg = "Enter sales data for ";
        sMsg = String.Concat( sMsg, iNumQtrs );
        sMsg = String.Concat( sMsg, " quarter(s)?");

        DialogResult iRet = MessageBox.Show( sMsg, "Quarterly Sales?",
            MessageBoxButtons.YesNo );
        if (iRet == DialogResult.Yes)
            break;
    }

    sMsg = "Displaying data for ";
    sMsg = String.Concat( sMsg, iNumQtrs );
    sMsg = String.Concat( sMsg, " quarter(s)." );

    MessageBox.Show( sMsg, "Quarterly Sales" );

    //Starting at E1, fill headers for the number of columns selected.
    oResizeRange = oWS.get_Range("E1", "E1").get_Resize( Missing.Value, iNumQtrs);
    oResizeRange.Formula = "=\"Q\" & COLUMN()-4 & CHAR(10) & \"Sales\"";

    //Change the Orientation and WrapText properties for the headers.
    oResizeRange.Orientation = 38;
    oResizeRange.WrapText = true;

    //Fill the interior color of the headers.
    oResizeRange.Interior.ColorIndex = 36;

    //Fill the columns with a formula and apply a number format.
    oResizeRange = oWS.get_Range("E2", "E6").get_Resize( Missing.Value, iNumQtrs);
    oResizeRange.Formula = "=RAND()*100";
    oResizeRange.NumberFormat = "$0.00";

    //Apply borders to the Sales data and headers.
    oResizeRange = oWS.get_Range("E1", "E6").get_Resize( Missing.Value, iNumQtrs);
    oResizeRange.Borders.Weight = Excel.XlBorderWeight.xlThin;

    //Add a Totals formula for the sales data and apply a border.
    oResizeRange = oWS.get_Range("E8", "E8").get_Resize( Missing.Value, iNumQtrs);
    oResizeRange.Formula = "=SUM(E2:E6)";
    oResizeRange.Borders.get_Item( Excel.XlBordersIndex.xlEdgeBottom ).LineStyle
        = Excel.XlLineStyle.xlDouble;
    oResizeRange.Borders.get_Item( Excel.XlBordersIndex.xlEdgeBottom ).Weight
        = Excel.XlBorderWeight.xlThick;

    //Add a Chart for the selected data.
    oWB = (Excel._Workbook)oWS.Parent;
    oChart = (Excel._Chart)oWB.Charts.Add( Missing.Value, Missing.Value,
        Missing.Value, Missing.Value );

    //Use the ChartWizard to create a new chart from the selected data.
    oResizeRange = oWS.get_Range("E2:E6", Missing.Value ).get_Resize(
        Missing.Value, iNumQtrs);
    oChart.ChartWizard( oResizeRange, Excel.XlChartType.xl3DColumn, Missing.Value,
        Excel.XlRowCol.xlColumns, Missing.Value, Missing.Value, Missing.Value,
        Missing.Value, Missing.Value, Missing.Value, Missing.Value );
    oSeries = (Excel.Series)oChart.SeriesCollection(1);
    oSeries.XValues = oWS.get_Range("A2", "A6");
    for( int iRet = 1; iRet <= iNumQtrs; iRet++)
    {
        oSeries = (Excel.Series)oChart.SeriesCollection(iRet);
        String seriesName;
        seriesName = "=\"Q";
        seriesName = String.Concat( seriesName, iRet );
        seriesName = String.Concat( seriesName, "\"" );
        oSeries.Name = seriesName;
    }

    oChart.Location( Excel.XlChartLocation.xlLocationAsObject, oWS.Name );

    //Move the chart so as not to cover your data.
    oResizeRange = (Excel.Range)oWS.Rows.get_Item(10, Missing.Value );
    oWS.Shapes.Item("Chart 1").Top = (float)(double)oResizeRange.Top;
    oResizeRange = (Excel.Range)oWS.Columns.get_Item(2, Missing.Value );
    oWS.Shapes.Item("Chart 1").Left = (float)(double)oResizeRange.Left;
}

-------------------------------------------------------------


DPK..
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  #4 (permalink)  
Old February 26th, 2007, 12:26 AM
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Hi Friends !!


    Is anyone to hepl me regarding the metter pls !!!
    I am keenly waiting for this reply.

    Thanks to all!!!!

DPK..
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  #5 (permalink)  
Old March 9th, 2007, 05:20 AM
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hi friend anyone to solve this porblem!

DPK..
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