以下片段的正确调用是什么
// 这个抛出异常
Excel.Range range = worksheet.get_Range("A3", "B4");
myChart.SetSourceData(range.ToString(), Excel.XlRowCol.xlColumns); // Throws an
// 抛出的异常
Exception Source: Microsoft.Office.Interop.PowerPoint
Exception Type: System.Runtime.InteropServices.COMException
Exception Message: Error HRESULT E_FAIL has been returned from a
call to a COM component.
Exception Target Site: SetSourceData
-------------------------------------------------- ------------
// 这个没有编译
myChart.SetSourceData(range, Excel.XlRowCol.xlColumns);
// 编译错误
1> error CS1502: The best overloaded method match for 'Microsoft.Office.Interop.
PowerPoint.Chart.SetSourceData(string, object)' has some invalid arguments
1> error CS1503: Argument 1: cannot convert from
'Microsoft.Office.Interop.Excel.Range' to 'string'