VS 2010 - How To Parse Excel Files Data In WebForms Using C#
Nov 14, 2010how to parse excel files data in ASP.NET WebForms using C# or ASP.NET MVC using C#?
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When I go to http://localhost:8241/sitename.com/folder1/170/ I get a 'The resource cannot be found' page.
Here is my Global.asax code:
Code:
<%@ Application Language="VB" %>
<%@ Import Namespace="System.Web.Routing" %>
<%@ Import Namespace="System.Security.Principal" %>
<script runat="server">
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[Code] ...
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Oct 11, 2010I'm populating a generic list from an excel file that contains names of pdf files. Now I want to take each item in the list and create a file from it. Here's what I have so far:
[Code]....
So now, the list called lines contains names of 900 pdf files. How would I take those names out of the list and create files from them?
VS 2010 - Reading Excel Data Into Dataset Loses Data
Apr 22, 2014I have a client that provides a .xls file on their site that we have no control over that we download the file and then read it to update inventory. The first column is the SKU and in cell A2 it has the value 1028. This outputs fine but when I get to A8 the value is '1051-LV' and in my output it is blank. I am thinking in my dataset it reads A2 value and that becomes the type for the remainder of the rows. But what if that is wrong? How do I fix so it doesn't set the datetype to say int when it could be a string type?
Below is my code and works but the output of certain rows sku values are blank and are not like that in the excel file.
Code:
Protected Sub btnGetExcelFile_Click(sender As Object, e As System.EventArgs) Handles btnGetExcelFile.Click
litOutput.Text = ""
Dim ws As New WebPost
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'downloads excel file based on url
Dim bExcel() As Byte = ws.RequestBinaryData("", True)
[Code] ....
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View 1 RepliesVS 2010 Uploading Problem: Excel To SQL?
Dec 15, 2010I received this error after I have deployed my application in the server (win 2003) but in my development pc it is working.
Code:
External table is not in the expected format.I can upload even the excel files is more than 30MB in file size.
How To Convert Excel Files
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View 1 RepliesAccessing Excel 2010 (xlsx) Spreadsheet?
Feb 24, 2011I would like to access an Excel 2010 spreadsheet via ASP.NET 4 - what is the best (i.e. straight forward) method to do this? I would like to update the spreadsheet via ASP then read the results of the data from Excel back to a web form.
View 9 RepliesVS 2010 File (Excel) Uploading And Processing
Sep 27, 2011I come from MVC side, where these things make more sense (of course just because I know a bit about it) and my webforms are still sucky sucky.
I got a page where I want the user to upload a file (Excel).
Not too worried about the upload timing out, but after uploading this file will be processed (time & attendance data to be written to the database)
So what I'd like to happen is everything happen asynchronously with the page being updated as the file are being processed.
Also, I'm not sure.. won't I need excel on the server to have my code read the excel file?
VS 2010 Create Excel From IList For Download
Aug 31, 2011User'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...
Databases :: How To Read Excel Files Using C# .net
Dec 16, 2010I want to read Excel file . how to do it in simple way.
View 2 Replies.net - Update Subtotals In Excel Files?
Jan 6, 2010I using the OpenXML library to take a datatable and paste it into a pre formatted excel file. This works fine.
The problem I have is there is a subtotal row at the top of the pre-formatted excel file, that is set to subtotal each column of this data (so there is a subtotal at the top of each column). When I open the excel file after it has been created, these values are all set to 0, they have not updated when the datatable was inserted. If you highlight one of these subtotal cells and then press enter, it updates and shows the right value.
What is the easiest way to get these values to update and show the correct value as soon as the user opens the downloaded spreadsheet?
Code for creating the spreadsheet:
MemoryStream memoryStream = SpreadsheetReader.StreamFromFile(TemplateDirectory + @"" + "exceltTemplate.xlsx");
doc = SpreadsheetDocument.Open(memoryStream, true);
worksheetPart = SpreadsheetReader.GetWorksheetPartByName(doc, currentSheetName);
writer = new WorksheetWriter(doc, worksheetPart);
cellName = "A8";
writer.PasteDataTable(reports.Tables[0], cellName);
SpreadsheetWriter.Save(doc);
Web Forms :: Joining Many Excel Files?
May 4, 2010I have many excel files. How do i Join them to make just 1 file?
Like, I want the contents of 1 file below the other file and so on for all files.
Databases :: Manipulate Excel Files?
Feb 23, 2010I'd like to know which are the best practise to easily manipulate excel files.I need to do only simple actions: create new file, add new sheets, populate cells from a dataset and add calculate cell.Is there something build-in visual studio or have I to use some third part tools?
View 4 RepliesArchitecture :: Consuming Excel Files For WF 4.0?
Dec 6, 2010Here's what I want to do, however I'm not sure of the best place for Excel. Excel files are sent via e-mail from various sources, from each source, they are sent in different versions of Excel and different information layouts, though from each source they are consistent.
Overview.
I want to give the user a front end to enable them to place the excel files into a drop zone and specify which files have come from which source. I then want to pass the file names and source origin to a workflow service. Based on this info the workflow service will then take 1..n workflow routes based on the source with the ultimate aim that data will be placed into an SQLServer 2005 DB or if the Excel lines cannot be processed, then output for the user to see with a reason. Because this is quite a complex task, I'm taking each source in turn.
Initial Problem.
My first set of Excel files come in 4 seperate files. I need to first merge the data in the Excel sheets to make 1 File for Processing. Some of the rows in the spreadsheets can be merged into a single line under certain conditions which will make the business logic much easier further on. So, first off After the user has dropped the Excel files into the drop zone I need to open the spreadsheets and merge them. I then need to feed each line to a 'rules' engine to determine the data and business logic that needs to be processed before updating the DB. So I thought I'd use a Workflow service for this since there will be no reason not to work on multiple sources at the same time as I progress through the development of the program. The problem I have is that unless I download the CP1 for workflow I cannot use this directly (so it appears) for working with Excel. So I was looking at using possibly WCF as the 'feed' to the workflow service, but can I use WCF to do the possible long running process of merging the Excel spreadsheets before pasing a row at a time down to the workflow service?