Question

    foreach(DataRow row in dt.Rows)
    {
       foreach(var cell in row.ItemArray)
       {
          builder.Append(cell.ToString());
          if(cell != row.lastcell)
             builder.Append("\t");
       }
       builder.Append(Environment.NewLine);
    }

i need to make sure that cell!=the last cell in the row

how do i do this?

Answer 1

You don’t need to do that. Just use string.Join instead:

string[] strings = Array.ConvertAll(row.ItemArray, x => x.ToString());
builder.Append(string.Join("\t", strings);