c# - SOLVED Issue reading an cvs file in the server -

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i having issues reading cvs file in server. know sure not folder permission issue because able upload , delete file in server.

the problem here: using (streamreader sr = file.opentext(@"fulldomain/mycvsfolder/promocodes.cvs"))

this code works in local if change file location local path @"c:etc" appreaciate help!

code:

 protected void btnpreviewfile_click(object sender, eventargs e)     {         datatable dt = new datatable();         string line = null;         int = 0;     try{         using (streamreader sr = file.opentext(@"fulldomain/mycvsfolder/promocodes.cvs"))         {             while ((line = sr.readline()) != null)             {                 string[] data = line.split(',');                 if (data.length > 0)                 {                     if (i == 0)                     {                         foreach (var item in data)                         {                             dt.columns.add(new datacolumn());                         }                         i++;                     }                     datarow row = dt.newrow();                     row.itemarray = data;                     dt.rows.add(row);                      labelalert.text = "preview good";                      //display data in gridview control                      gridview1.datasource = dt;                     gridview1.databind();                  }             }         }     }catch(exception ex){      labelalert.text = ex.tostring();    }   }

here solution mihai gave me.

i replace line 

    `using (streamreader sr = file.opentext(@"fulldomain/mycvsfolder/promocodes.cvs"))`

with

   `using (streamreader sr = file.opentext(server.mappath("/mycvsfolder/promocodes.cvs")))`

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