C# 后台更新Excel内容
private void UpdateSheet(string strFilePath, string strSheetName)
{
Microsoft.Office.Interop.Excel.ApplicationClass xlApp = new ApplicationClass();
Microsoft.Office.Interop.Excel.Workbooks xlWorkbooks;
Microsoft.Office.Interop.Excel.Workbook xlWorkbook;
Microsoft.Office.Interop.Excel.Worksheet xlWorksheet;
System.Type tyWorkbooks;
System.Reflection.MethodInfo[] methods;
object objFilePath;
object oMissing = System.Reflection.Missing.Value;
strFilePath = Server.MapPath(strFilePath);
if (!System.IO.File.Exists(strFilePath))
{
throw new System.IO.FileNotFoundException();
return;
}
try
{
xlApp.Visible = false;
xlWorkbooks = xlApp.Workbooks;
tyWorkbooks = xlWorkbooks.GetType();
methods = tyWorkbooks.GetMethods();
objFilePath = strFilePath;
object Nothing = System.Reflection.Missing.Value;
xlWorkbook = xlApp.Workbooks.Open(strFilePath, Nothing, Nothing, Nothing, Nothing, Nothing, Nothing, Nothing, Nothing, Nothing, Nothing, Nothing, Nothing, Nothing, Nothing);
//xlWorkbook = (Microsoft.Office.Interop.Excel.Workbook)tyWorkbooks.InvokeMember("Open ",
//System.Reflection.BindingFlags.InvokeMethod,
//null,
//xlWorkbooks,
//new object[] { objFilePath, true, true });
xlWorksheet = (Microsoft.Office.Interop.Excel.Worksheet)xlWorkbook.Worksheets[strSheetName];
xlWorksheet.Cells["10", "M"] = "wenchaozhen";
xlWorkbook.Save();
xlWorkbook.Close(oMissing, oMissing, oMissing);
}
catch (Exception ex)
{
throw ex;
}
finally
{
if (xlApp != null)
{
xlApp.Quit();
System.Runtime.InteropServices.Marshal.ReleaseComObject(xlApp);
xlApp = null;
}
GC.Collect();
}
}