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Hello friends
I'm trying to automate an excel file within a chart,and I want to export the chart to JPG file or something like this,but I got this error :
Exception from HRESULT: 0x800401A8
I searched hours and tried many codes but every time I get the same error.
here is my code:

Excel._Workbook workBook;
        Excel.Series series;
        Excel.Range range;
        Excel._Chart chart;
        workBook = (Excel._Workbook)workSheet.Parent;
        chart = (Excel._Chart)workBook.Charts.Add(Missing.Value, Missing.Value,
            Missing.Value, Missing.Value);
        range = workSheet.get_Range(string.Format("C1:C{0}", rowCount), Missing.Value).get_Resize(
            Missing.Value, 1); ;
        chart.ChartWizard(range, Excel.XlChartType.xlColumnClustered, Missing.Value,
            Excel.XlRowCol.xlColumns, Missing.Value, Missing.Value, false,
            Missing.Value, Missing.Value, Missing.Value, Missing.Value);
        series = (Excel.Series)chart.SeriesCollection(1);
        series.XValues = workSheet.get_Range("A1", string.Format("B{0}", rowCount));
        series = (Excel.Series)chart.SeriesCollection(1);
        chart.ChartArea.Font.Name = "Tahoma";
        chart.AutoScaling = true;
        chart.ChartStyle = 27;
        Excel.Axis yaxis = (Excel.Axis)chart.Axes(Excel.XlAxisType.xlValue, Excel.XlAxisGroup.xlPrimary);
        yaxis.MinimumScaleIsAuto = false;
        yaxis.MinimumScale = 0;
        yaxis.MaximumScaleIsAuto = false;
        yaxis.MaximumScale = 10;
        chart.HasTitle = true;
        chart.ChartTitle.Text = "title";
        chart.Location(Excel.XlChartLocation.xlLocationAsObject, workSheet.Name);
        range = (Excel.Range)workSheet.Rows.get_Item(3, Missing.Value);
        workSheet.Shapes.Item("Chart 1").Top = (float)(double)range.Top;
        range = (Excel.Range)workSheet.Columns.get_Item(5, Missing.Value);
        workSheet.Shapes.Item("Chart 1").Left = (float)(double)range.Left;
        chart.Export(@"C:\Chart1.jpg", "JPG", false);
Posted 22-Dec-12 0:57am
skydger 22-Dec-12 14:00pm
How do you initialize your Excel appliacation and workbook?
Have you opened a workbook? Does workSheet exist?
Neema Derakhshan 23-Dec-12 1:01am
tnx for response sir, yes workbook & worksheet exist
workBook = (Excel._Workbook)(app.Workbooks.Add(Missing.Value));
workSheet = (Excel._Worksheet)workBook.ActiveSheet;
and I import my data in the application..
skydger 23-Dec-12 5:23am
Have you found in wich line of your code this error occurs?
Neema Derakhshan 24-Dec-12 2:05am
yes ofcource
chart.Export(@"C:\Chart1.jpg", "JPG", false);

1 solution

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Solution 1

I did not had a situation like that but i coded a lot on the interopthing. in a lot of situations, my solution was to programmatically call the vba codemodule via:


hope this helps...
Neema Derakhshan 23-Dec-12 1:12am
thank you for response, I'm using Microsoft.Office.Interop, I guess there is no difference?is it?

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