using SoftArtisans.OfficeWriter.ExcelWriter;
...


//Instantiate the template object
ExcelTemplate XLT = new ExcelTemplate();
//Open the file
XLT.Open(Page.MapPath("//templates//Part1_Financial_Template.xlsx"));


//Create data binding properties
DataBindingProperties bindingProps = XLT.CreateDataBindingProperties();


//Get the data from the CSVs. More info about the generic parser is available
//in the project and in the tutorial above.
DataTable dtAssets = GetCSVData("//data//Assets.csv");
DataTable dtLosses = GetCSVData("//data//Losses.csv");
DataTable dtOther = GetCSVData("//data//Other.csv");


//Declare the row data. This tutorial uses a single item array to demonstrate the
//optional modifier
string[] headerValues = { "2011" };
string[] headerNames = { "FiscalYear" };


//Bind each datatable
XLT.BindData(dtAssets, "Assets", bindingProps);
XLT.BindData(dtLosses, "Losses", bindingProps);
XLT.BindData(dtOther, "Other", bindingProps);

//Bind the single row data
XLT.BindRowData(headerValues, headerNames, "Header", bindingProps);


//Call process to import data to file
XLT.Process();

/*This next section handles the post-processing*/


//Instantiate ExcelApplication
ExcelApplication XLA = new ExcelApplication();


//Open the XLT object as a new workbook
Workbook wb = XLA.Open(XLT);


//Get the first worksheet
Worksheet ws = wb.Worksheets[0];


//Set the autofit width and height
ws.PopulatedCells.AutoFitWidth();
ws.PopulatedCells.AutoFitHeight();


//Save the file
XLA.Save(wb, Page.Response, "temp.xlsx", false);