Databases :: Save Excel In .xslx Format Using C#

Aug 24, 2010

My existing code converting xml in to excel and it is saving excel in .xls format.

But i need to save it in .xlsx format .

Existing code for converting xml...

[Code]....

Existing code for saving excel

var dialog = new System.Windows.Forms.SaveFileDialog();
dialog.Filter = "Excel Workbook(*.xls)|*.xls";
dialog.Title = "Save As";

I have tried by changing .xls into .xlsx but unable to open excel sheet.

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