how to fill the database value in excel using for loop in excel

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Table name as follows Batch

In Batch table record as follows

Batchid
B001
B002

Table name as follows Feedback

Facid Q1 Q2 Q3 Batchid

1 2 4 5 B001
2 3 3 4 B001
1 4 5 5 B002
2 3 3 4 B002

In excel i want to place Batchid in row wise from Batch table as follows

B001 B002

similarily in excel i want to place Facid in column wise from Feedback table as follows
and
similarily in excel i want to place Q1 Q2 and Q3 column wise from feedback table as follows

Facid Q1 Q2 Q3
1 2 4 5
2 3 3 4
1 4 5 5
2 3 3 4

in excel how to place above values in asp.net using c3, using for loop.

please help me for that how can i do in asp.net using c#.

Regards,
Jegan B.

Posted 16-Jun-14 6:16am

jegan1991

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Sunasara Imdadhusen 17-Jun-14 4:52am

What you tried till. Have you search on Google?

PrakashCs.net 22-Jun-14 4:31am

best way to do this bind you datatable to gridview and export it

please refer this link
http://www.codeproject.com/Answers/788069/How-Can-I-Save-Data-In-A-Datatable-To-Excel-In-Asp#answer1

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Bohdan Stupak · Answer 1 · 2014-06-21T22:24:00

Solution 1

I didn't understand a single word, but it seem you need something as following

C#

var excelApp = new ApplicationClass {Visible = false}; //use Application for .NET 4.0 and later

var excelWorkbooks = excelApp.Workbooks.Open("yourfilepath");
var excelWorkSheet = (Worksheet) excelWorkbooks.Sheets[yourWorkSheetNumber]; //be sure to cast to  Workseet explictly
excelWorkSheet.Cells[row, column] = yourvalue;
excelWorkbooks.Save(); //calling excelApp.Save(); would cause an exception
excelApp.Quit();
Marshal.ReleaseComObject(excelWorkSheet); //release COM-object to terminate processes
Marshal.ReleaseComObject(excelWorkbooks);
GC.Collect();
GC.WaitForPendingFinalizers();

Posted 21-Jun-14 22:24pm

Bohdan Stupak

Updated 22-Jun-14 2:18am

v3

Comments

CHill60 22-Jun-14 8:08am

This code doesn't even compile.
Extra closing bracket ) on line 2
_excelWorkbooks has not been declared on lines 3 and 8(lose the underscore)
Why on earth force the garbage collection?
Where is the for loop the OP asked for?

Bohdan Stupak 22-Jun-14 8:23am

Sure it doesn't complile. Variables like 'row', 'column' etc aren't defined. That is the way examples are.
Look through stackoverflow. There are loads of issues with Interop.Excel, where garabage collection needs to be forced to force termination of Excel proccess. You might not notice, when you work with 1 file, but when you work with 15 different files it will eat out all of your memory.
About loop. Frankly speaking I just can't figure out where does he want to put it.