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I a text file in a folder and i wanna read the file using C# coding and paste the same file to Excel using C# ?? please Help me on the same
You'll need the following three functions:
private List<string> GetFileTextList(string filename)
{
List<string> res = new List<string>();
try
{
if (!System.IO.File.Exists(filename)) throw new System.IO.IOException("Ooops, file not found !!!");
using (System.IO.StreamReader sr = new System.IO.StreamReader(filename))
{
while (!sr.EndOfStream)
{
res.Add(sr.ReadLine());
}
sr.Close();
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
throw;
}
return res;
}
/*=====================================================*/
public bool SaveTextToExcel(string path, List<string> sList)
{
bool res = false;
Excel.Application xlApp = null;
Excel.Workbook xlWorkBook = null;
Excel.Worksheet xlWorkSheet = null;
try
{
System.Globalization.CultureInfo oldCI = System.Threading.Thread.CurrentThread.CurrentCulture;
object misValue = System.Reflection.Missing.Value;
xlApp = new Excel.ApplicationClass();
System.Threading.Thread.CurrentThread.CurrentCulture = new System.Globalization.CultureInfo("en-US");
xlWorkBook = xlApp.Workbooks.Add(misValue);
xlWorkSheet = (Excel.Worksheet)xlWorkBook.Sheets["sheet1"];
for (int i =0; i < sList.Count; i++)
{
xlWorkSheet.Cells[i +1,1] = sList[i];
}
xlWorkSheet.SaveAs(path, Microsoft.Office.Interop.Excel.XlFileFormat.xlWorkbookDefault, Type.Missing, Type.Missing,
false, false, Microsoft.Office.Interop.Excel.XlSaveAsAccessMode.xlNoChange,
Type.Missing, Type.Missing, Type.Missing);//, Type.Missing, Type.Missing);
xlWorkBook.Close(null, null, null);
xlApp.Quit();
System.Threading.Thread.CurrentThread.CurrentCulture = oldCI;
res = true;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
finally
{
if (xlApp != null)
releaseObject(xlApp);
if (xlWorkBook != null)
releaseObject(xlWorkBook);
if (xlWorkSheet != null)
releaseObject(xlWorkSheet);
}
return res;
}
/*=====================================================*/
private void releaseObject(object obj)
{
try
{
System.Runtime.InteropServices.Marshal.ReleaseComObject(obj);
obj = null;
}
catch (Exception)
{
obj = null;
}
finally
{
GC.Collect();
}
}
/*=====================================================*/
Usage :
string SomeFilePath = "C:\t.txt"
List<string> txt = GetFileTextList(SomeFilePath);
SaveTextToExcel("C:\SomeExcelFile.xls", txt);
