function main() {
  var spreadsheet = SpreadsheetApp.getActiveSpreadsheet();
  var CurrentSheet = spreadsheet.getSheets()[0];
  
  var StartRow = 2
  var EndRow = 10
  var StartColumn = 1
  var EndColumn = 10  
  var range = CurrentSheet.getRange(StartRow, StartColumn, EndRow-StartRow+1, EndColumn-StartColumn+1);
  
  range.setBorder(true, true, true, true, true, true, '#000000', SpreadsheetApp.BorderStyle.SOLID);
  return
}

function test() {
  var spreadsheet = SpreadsheetApp.getActiveSpreadsheet();
  var CurrentSheet = spreadsheet.getSheets()[0];
  
  var StartRow = 3
  var EndRow = 8
  var StartColumn = 2
  var EndColumn = 9 
  
  var Count = 1;
  for (var i = StartRow;i<=EndRow;i++) {
    for (var j = StartColumn;j<=EndColumn;j++) {
      var cells = CurrentSheet.getRange(i, j);
      cells.setValue(Count);
      Count += 1;
    }
  }
  return
}