Refresh All in Excel is not working with out Sleep

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C#

Microsoft.Office.Interop.Excel.Application excelApp = new Microsoft.Office.Interop.Excel.Application();
excelApp.DisplayAlerts = false;
Workbook theWorkbook = excelApp.Workbooks._Open(XlsxPath, 0, false, 5, System.Reflection.Missing.Value, System.Reflection.Missing.Value, false, System.Reflection.Missing.Value, System.Reflection.Missing.Value, true, false, System.Reflection.Missing.Value, false);
Sheets sheets = (Sheets)theWorkbook.Worksheets;
theWorkbook.RefreshAll();
System.Threading.Thread.Sleep(Convert.ToInt32(60000));
theWorkbook.Save();
excelApp.Quit();

is working fine but the flowing is not working

C#

Microsoft.Office.Interop.Excel.Application excelApp = new Microsoft.Office.Interop.Excel.Application();
excelApp.DisplayAlerts = false;
Workbook theWorkbook = excelApp.Workbooks._Open(XlsxPath, 0, false, 5, System.Reflection.Missing.Value, System.Reflection.Missing.Value, false, System.Reflection.Missing.Value, System.Reflection.Missing.Value, true, false, System.Reflection.Missing.Value, false);
Sheets sheets = (Sheets)theWorkbook.Worksheets;
theWorkbook.RefreshAll();
theWorkbook.Save();
excelApp.Quit();

Why please help me i don't want to include

C#

System.Threading.Thread.Sleep(Convert.ToInt32(60000));

because i don't know how much time it will take for refreshing

Please help me

Thanks
Sudheer.N

Posted 21-Oct-13 22:04pm

Sudheer Nimmagadda

Updated 21-Oct-13 23:55pm

phil.o

v2

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Sergey Vaselenko · Answer 1 · 2013-10-21T23:44:00

Solution 1

Hi Sudheer,

RefreshAll behaviour depends on the BackgroundQuery property of underlying objects.

If BackgroundQuery is set to true then RefreshAll returns the result immediately.

So use the following code to refresh data not in the background:

C#

foreach (Worksheet ws in theWorkbook.Worksheets)
    foreach (ListObject lo in ws.ListObjects)
    {
        QueryTable qt = lo.QueryTable;
        if (qt != null)
        {
            qt.Refresh(false);
        }
    }

C#

foreach (PivotCache pc in theWorkbook.PivotCaches())
{
    pc.Refresh();
}

Posted 21-Oct-13 23:44pm

Sergey Vaselenko

Updated 22-Oct-13 5:32am

v2

Comments

Sudheer Nimmagadda 22-Oct-13 6:59am

Thank you very much Sergey Vaselenko, it is useful

Sudheer Nimmagadda 22-Oct-13 8:25am

Sir ,

i have to refresh PivotTables in excel
your code is working excellent for tables but not PivotTable

please help me for PivotTable refreshing

Sergey Vaselenko 22-Oct-13 11:30am

foreach (PivotCache pc in theWorkbook.PivotCaches())
{
pc.Refresh();
}

Sergey Vaselenko 23-Oct-13 14:52pm

Have you solve your task with PivotTables, Sudheer?