title: How to add new row to excel file in C#
body: <p>I need to insert a new row below the first row.
  using the code below, what i need to add to make it done ? </p>
  
  <pre><code>Excel.Application excelApp = new Excel.Application();
  string myPath = @"Data.xlsx";
  excelApp.Workbooks.Open(myPath);
  
  // Get Worksheet
  Excel.Worksheet worksheet = excelApp.Worksheets[1];
  int rowIndex = 2; int colIndex = 2;
  for (int i = 0; i &lt; 10; i++)
  {
     excelApp.Cells[rowIndex, colIndex] = "\r123";
  }
  
  excelApp.Visible = false;
  </code></pre>
  
  <p>Thanks :)</p>