I Am Using Microsoft.Office.Interop.Excel To Export Data From Visual Studio To Excel It Works Fine While Running The Code But I Am Unable To Get The Results During The Deployment I Use Visaul...

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C#

i use the following part of the code to export the data to excel
public void GenerateSimulatorFile(XmlDocument doc)
{
AddHashKey(doc);
XmlNodeList ndHashKeyList = doc.SelectNodes("//Configuration[not(HashKey=preceding-sibling::Configuration/HashKey)]/HashKey");

Excel.Application xla = new Excel.Application();
xla.Visible = true;
Excel.Workbook wb = xla.Workbooks.Add(Excel.XlSheetType.xlWorksheet);
int k = 1;
Excel.Worksheet ws = (Excel.Worksheet)wb.Worksheets[k];
if (ndHashKeyList.Count>0)
{
foreach (XmlNode ndHashKey in ndHashKeyList)
{
if (k > 1)
{
wb.Worksheets.Add(Type.Missing, ws, wb.Worksheets.Count, Type.Missing);
ws = (Excel.Worksheet)wb.Worksheets[k];
}
k++;
string hashkey = ndHashKey.InnerText;
ws.Cells[1, 1] = "Configuration Name";
ws.Cells[1, 2] = "Array Model";
ws.Cells[1, 3] = "Raid Type";
ws.Cells[1, 4] = "Disk Type";
ws.Cells[1, 5] = "Microcode Rev";
ws.Cells[1, 6] = "Test Phase Name";
ws.Cells[1, 7] = "Test Type";

XmlNode configNode = doc.SelectSingleNode("//Configuration[HashKey='" + hashkey + "']");
ws.Cells[2, 1] = (configNode.SelectSingleNode("ConfigurationName").InnerText);
ws.Cells[2, 2] = (configNode.SelectSingleNode("ArrayModel").InnerText);
ws.Cells[2, 3] = (configNode.SelectSingleNode("RaidType").InnerText);
ws.Cells[2, 4] = (configNode.SelectSingleNode("DiskType").InnerText);
ws.Cells[2, 5] = (configNode.SelectSingleNode("MicrocodeRev").InnerText);
ws.Cells[2, 6] = (configNode.SelectSingleNode("TestPhaseName").InnerText);
ws.Cells[2, 7] = (configNode.SelectSingleNode("TestType").InnerText);

ws.Cells[4, 1] = "I/O";
ws.Cells[4, 2] = "Response Time";

XmlNodeList ndList = doc.SelectNodes("//Configuration[HashKey='" + hashkey + "' and ParentMetric='IOsps']");
string[,] intervalValue = new string[2, ndList.Count];
int i = 0;
foreach (XmlNode nd in ndList)
{
ws.Cells[i + 5, 1] = nd.SelectSingleNode("IntervalValue").InnerText;
i++;
}
ndList = doc.SelectNodes("//Configuration[HashKey='" + hashkey + "' and ParentMetric='RT']");
i = 0;
foreach (XmlNode nd in ndList)
{
ws.Cells[i + 5, 2] = nd.SelectSingleNode("IntervalValue").InnerText;
i++;
}
/****** Creating the chart object*******/
Excel.ChartObjects chartObjs = (Excel.ChartObjects)ws.ChartObjects(Type.Missing);
Excel.ChartObject chartObj = chartObjs.Add(300, 60, 300, 300);
Excel.Chart xlChart = chartObj.Chart;

/**********draw the chart****/
Excel.Range chartRange = ws.get_Range("A4", ws.Cells[4 + i, 2]);
xlChart.ChartType = Microsoft.Office.Interop.Excel.XlChartType.xlXYScatterSmoothNoMarkers;
xlChart.SetSourceData(chartRange, Type.Missing);
xlChart.HasTitle = true;
xlChart.ChartTitle.Text = "Response Tiime";
}
/********* relase the object that are created*******/
releaseObject(ws);
releaseObject(wb);
releaseObject(xla);
}
else
{
ws.Cells[1, 1] = "NO RESULTS FOUND";
}






The data and every thing is fine and i also have installed microsoft office 2007 version also on the deployment server i can't see any errors or the data being exported to excel can i get help on this.