Web Forms :: Download To Excel From Datatable
Mar 10, 2011
I have a download which is in a class below
[Code]....
and on my page i have a download button which runs a webhandler like below
[Code]....
when the download button is clicked it runs the code below
[Code]....
the dtresults is a datatable that is created on the page. the problem i have is if the cell has commas in like '12 london road, london, le126yr' in the database then its putting it onto the next line in the exported csv file and treating it as a carriage return rather than keeping all on the same line. I have done a replace in the code to replace the comma's to replace them with nothing but it doesnt seem to be working.
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Jan 16, 2010
I am developing a website and one of the requirements is that, application is showing millions of records in gridview and if client want to download it they can add that report to get generated in excel format and then they can logout after few hours they recive an email saying that their report is ready and they can download it.
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Jul 16, 2012
how to export a datatable to excel with the datatable column name to the heading of the excel sheet.
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Mar 7, 2010
I am creating Excel file from code. This code is working fine in my local server. because it is local iis and local VS. When I deployed in the server. I am not able to see (download) excel to client browser. How can we give access to see excel in client browser?
[Code]....
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May 25, 2010
In my site I have no App_Code folder, no Bin folder, no codebehind files, and no web.config. I need to make a form that exports an Excel spreadhseet filled with database results. Anything I do has to run out of the inline script runat="server" block at the top of the page.
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Jan 19, 2010
I have written code to export to excel as below:
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Jan 26, 2011
How can Export dataTable to Exel
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Jan 13, 2010
I'm using asp.net 1.1 to download data of a datagrid to excel file. I've used mso-number-format to display dates in short format 05/05/10 and numeric numbers with two decimal points. I want to set make text bold of some specific columns based on some business logic so that after download it boldness doesn't loose. So far I've tried with Css styling didn't get any result. I don't want to use .Net excel library: [URL] to do it.
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Mar 30, 2013
Code to download excel file on client pc in a specific folder using asp .net .....
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Feb 2, 2010
i have a datatable to bind the gridview in my page. now i need to have a export button in near gridview, if we click the button then the gridview values (datatable) to excel.
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Oct 12, 2010
Is there a way to give users the capability to download an on-line table produced via gridview to an excel file (other than by copy/paste)?
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Mar 21, 2011
When i export the data table to excel 2003 i get the output in a very fast manner and when i want to use the same in excel 2007 debugging gets stopped and nothing happens.... It does not show any errror on it to. When i slowly debugged i find that in saveas() it takes longer time and it seems like execution gets stopped in this process.
Its like in new window it shows loading for more than 10 min and after some time the particular window gets closed and nothing happens can anyone tell me what can be wrong.When the same code works great when i export to 2003.
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Jun 21, 2010
Do we have any free 3rd party library that we can use in asp.net for download Excel sheets?
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Jun 9, 2010
I've created a function that takes a datatable and exports it to excel by creating a Table.
When the file exported excel says "this file is in a different format than it's extension, do you wnat to open it anyway?". I'd like to get rid of this message if I can. and...There is an extra row at the top of the the excel file (row 0) and it's empty.
Here is my code:
[Code]....
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Mar 31, 2010
i have datatable with data i want to export or wite this data to excel file
i have some thousands of rows in datatable
but i want not use Response.Output.Write
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Jan 17, 2011
I am trying to automate the creation of an excel workbook from data retrieved from a SQL server. I have successfully automated the process and the file successfully saves in a pre-determined location as a 57kb xlsx file. However, when I run the Response.TransferFile code, a file is downloaded that is 18kb in size, and when you try to open the file, it says that the file has an invalid extension. Here is the relevent code:
[Code]....
I have tried multiple content types and different ways of specifying the content type (Response.ContentType = XXX, Response.ContentType = "application/excel","vnd.ms-excel",etc). Nothing works. I can't figure out why the filesize is different even if the extension is wrong.
I can navigate to H:/test/filename and open it just fine, so the excel portion of the code is working fine. I don't understand because this code is so simple yet goes so horribly wrong.
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May 13, 2010
I have been asked to create import functionality in my application. I am getting an excel worksheet as input. The worksheet has column headers followed by data. The users want to simply select an xls file from their system, click upload and the tool deletes the table in the database and adds this new data.
I thought the best way would be too bring the data into a datatable object and do a foeach for every row in the datatable insert row by row into the db. My question is what can anyone give me code to open an excel file, know what line the data starts on in the file, and import the data into a datable object?
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Mar 16, 2010
I've been working on this for a while and everything that I have read seems to tell me to use the same setup. I have been able to export the data to an xls file on my local C drive but that won't work when hosted on the server as I'll want users to export their data to their local machines as well... I guess the issue I'm having (or at least what I think am having) has to do with my response.end() function. I'll give you my code that works and the one that doesn't... In the end they will both do the same thing...Here is the code I've been playing with for my button:
[Code]....
Now here is where it will at least save on my local drive via a button in my drop down menu:
[Code]....
I need to prompt the user to save the file to a location and perhaps be able to name the file etc
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Mar 14, 2011
My goal is to create some Excel reports that users can download from my asp.net site. The data for the reports will come from an SQL database. I am using Visual Studio 2010 and the reports will be for Excel 2007.
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Aug 31, 2011
User's need to "download" an excel sheet with data.
However this sheet need to be created on the fly (user's can check of which data they want exported).
From the user's point of view, it will just be a link "Download Now".
From coding point of view I will have an IList<MyClass> where MyClass say got members like EntryId, FirstName, LastName etc.
I do not want all fields to be dropped into the sheet (so I will need control over that in my code)
This sounds like what I'm after (since I'll always only have one sheet)
Create an HTML document and save it with a .xls extension - Excel will open it and treat it like a native Excel file. This method is very simple and, of course, free - however, it won't allow you to have more than one worksheet in the Excel workbook...
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May 7, 2015
If the file uploaded to a folder. How to create at table dynamically so that mant files are being uploaed and as many files are uploaded row are being created in this way
1) file name on the 1st coloumn
2) path of the file saved and once it is clicked it is downloaded (e.g., pptx)
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Aug 7, 2010
i got the different datatable value using different query.Now i want to export to excel at the single sheet like datatable1 to sheet1 and datatable2 to sheet2 .
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Mar 15, 2011
I am using following code to get the columns from excel into datatable. In that in my excel file columns started from C to E means columns A and B is blank(Headers also). When i am reading excel file into datatable that time it's taking columns C to E. I want A and B also.Means when i am reading file that time blank columns are avoiding. I want blank columns should be read.
Excel File Data:
A B C D E
1 2 3
5 6 7
And in Datatable i am getting:
C D E
1 2 3
5 6 7
So i want Columns in Datatable also just like excel.
String
connString = ApplicationSetting
.GenerateExcelProvider(FilePath);[code]....
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Feb 14, 2010
Need to navigate to Excel spread sheet and display in the browser.
how could I do that ?
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Jun 1, 2010
I need to create a .XLS file and put it available for download in my .aspx page. this file is needed to have information from database. I'm using Linq to SQL. So I need a C# code for reading from DataBase using Linq and create a .XLS file for download.
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