Using Excel 2007 Chart VB.net Picture Box
By: Issac in VB.net Tutorials on 2009-01-31
The following program shows, how to get the Excel chart as an image in Picture Box .Before we crate a Chart, we have to fill data in Excel sheet. After enter data your Excel sheet is look like the following picture.
After filling the data, We have to create a chart object in VB.NET and configure the Chart object with necressary data like positions, size, data range, chart type etc.. And use the command for export chart as picture file, then load the picture from the path to picture box. The following picture shows the program screen after drawing the picture
Imports Excel = Microsoft.Office.Interop.Excel Public Class Form1 Private Sub Button1_Click(ByVal sender As System.Object, _ ByVal e As System.EventArgs) Handles Button1.Click Dim xlApp As Excel.Application Dim xlWorkBook As Excel.Workbook Dim xlWorkSheet As Excel.Worksheet Dim misValue As Object = System.Reflection.Missing.Value xlApp = New Excel.ApplicationClass xlWorkBook = xlApp.Workbooks.Add(misValue) xlWorkSheet = xlWorkBook.Sheets("sheet1") 'add data xlWorkSheet.Cells(1, 1) = "" xlWorkSheet.Cells(1, 2) = "Issac" xlWorkSheet.Cells(1, 3) = "Raja" xlWorkSheet.Cells(1, 4) = "Ravi" xlWorkSheet.Cells(2, 1) = "Term1" xlWorkSheet.Cells(2, 2) = "80" xlWorkSheet.Cells(2, 3) = "65" xlWorkSheet.Cells(2, 4) = "45" xlWorkSheet.Cells(3, 1) = "Term2" xlWorkSheet.Cells(3, 2) = "78" xlWorkSheet.Cells(3, 3) = "72" xlWorkSheet.Cells(3, 4) = "60" xlWorkSheet.Cells(4, 1) = "Term3" xlWorkSheet.Cells(4, 2) = "82" xlWorkSheet.Cells(4, 3) = "80" xlWorkSheet.Cells(4, 4) = "65" xlWorkSheet.Cells(5, 1) = "Term4" xlWorkSheet.Cells(5, 2) = "75" xlWorkSheet.Cells(5, 3) = "82" xlWorkSheet.Cells(5, 4) = "68" 'create chart Dim chartPage As Excel.Chart Dim xlCharts As Excel.ChartObjects Dim myChart As Excel.ChartObject Dim chartRange As Excel.Range xlCharts = xlWorkSheet.ChartObjects myChart = xlCharts.Add(10, 80, 300, 250) chartPage = myChart.Chart chartRange = xlWorkSheet.Range("A1", "d5") chartPage.SetSourceData(Source:=chartRange) chartPage.ChartType = Excel.XlChartType.xlColumnClustered 'exporting chart as picture file xlWorkSheet.ChartObjects(1).chart.Export(FileName:= _ "C:\excel_chart_export.bmp", FilterName:="BMP") 'load the pipcture into the picture box PictureBox1.Image = New System.Drawing.Bitmap _ ("C:\excel_chart_export.bmp") xlWorkSheet.SaveAs("C:\vbexcel.xlsx") xlWorkBook.Close() xlApp.Quit() releaseObject(xlApp) releaseObject(xlWorkBook) releaseObject(xlWorkSheet) MsgBox("Chart File Exported !") End Sub Private Sub releaseObject(ByVal obj As Object) Try System.Runtime.InteropServices.Marshal.ReleaseComObject(obj) obj = Nothing Catch ex As Exception obj = Nothing Finally GC.Collect() End Try End SubEnd Class
When you execute this source code you will get the picture in Picture Box from Excel Chart.
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