I want to upload a Excel file into database. But File name and File Type is not specific. that means excel file may be created in Office 2003
or Office 2007 or Office 2010. Now I knew that Connection string is diffrent for each format. But how i can recognize the File Format ?
I want to fetch data from all type of Excel files. I am using FileUpload control for uploading Excel.
I want to read Excel file . how to do it in simple way.
View 2 Repliesi'm trying to read an excel file and get data on a row by row basis. Since after converting the pdf file into an excel file, the formatting went a bit haywire but if read row by row, i'm still able to retrieve the original data.
As I am unable to generate the excel file using a single worksheet, i have multiple sheets in the excel file. I also need help on reading multiple sheets.
Currently i am onli able to get data via columns but due to the formatting going haywire, i gave up on it.
I am Importing an excel file using oledb connection in asp.net.
but it is not working on server.
now i want to read excel file without interop.
How can i do it.
I want to import a spreadsheet into SQL. The import/export wizard forces Column A to be a double. In Excel, the column is formatted as text. When I try to convert from double to text/varchar/nvarchar, the import process fails. Why can't I convert a number to text in SQL?
View 3 Repliesi'm looking for a control with following functionality in GridView or other data control
1. Excel Type Editing, with ability copy to and from excel
2. Ordering the rows with Drag and Drop functionality
I'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?
how to parse excel files data in ASP.NET WebForms using C# or ASP.NET MVC using C#?
View 8 Repliesis there any (foc) way to import data from excel files into my application? I'm using ms visual developer express edition 2008.
View 6 RepliesI have a excel sheet it contain 4 worksheet (spreadsheet), i want to fetch all data into a gridview ?
How To fetch or retrive complete excel data(sheet1+sheet2+ bla bla) in a gridview...
am new to vb.net programming. i am trying to read an existing excel 2007 file from vb.net i used a form with single button and i written code in button click event
Imports Excel = Microsoft.Office.Interop.Excel
Public Class Form1
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim xlApp As Excel.Application
Dim xlWorkBook As Excel.Workbook
Dim xlWorkSheet As Excel.Worksheet
xlApp = New Excel.ApplicationClass
xlWorkBook = xlApp.Workbooks.Open("C:Documents and SettingsUSERDesktopd0805
[code]...
I have been asked to look into converting files in asp dot net, and I was wondering if this can be done it it can how and what do i use.
View 6 RepliesI need to create .pdf , .excel , .doc , .csv files in MVC.
View 1 RepliesI 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);
I 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.
I'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 RepliesHere'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?
I ahve a solution with a few dll projects, a winforms testbed and a WCF webservice project. In the data project, I have a base class that does the following:
public class BaseDAO
{
private const string CONNECTION_NAME = "OracleConnectionString";
protected static string GetConnectionString()
{
ConnectionStringSettingsCollection settings =
ConfigurationManager.ConnectionStrings;
string conStr = "";
if (settings != null)
{
foreach(ConnectionStringSettings setting in settings)
{
if (setting.Name == CONNECTION_NAME)
{
conStr = setting.ConnectionString;
}
}
return conStr;
}
else
{
throw new NotImplementedException("The connction string can't be found");
}
}
You might ask, why do I need to loop and check the name against a constant? Well, I have defined the connection string in the service project's web.config, but this above code always find two connection strings, one is a sqlexpress which I guess is a default database of some sort. So, to separate that one against the one I really use, I have to loop through all entries and pick out the one I plan to use. How do I prevent this? Is there a better way to fetch the connection string from the data project?
I am having problems in manipulating excel files in vs2005. All I want is to get the excel files(this excel has specific design for reporting and has macros in it), read it, add data for reporting purpose, and make that file send to the client. Now, the problems I encountered and will encounter is:
1. It has password protect, I dont know how to unprotect it. I already use sheet.Unprotect("password here") but no use.
2. Actually I cant read this using Microsoft.Interop method.
3. Call every sheets I want to be updated.
4. Update the cells with data from database(getting database data is easy of course)
5. Optional, protect it again.
6. Send it to client(downloading)
My team working in asp.net projects Here we have to upload Excel contents to Database We are using linq.
View 2 Replieswhat type of files can we search using Microsoft Indexing Service
View 3 RepliesI am using an ASP.NET FileUpload to upload files to the server. How to upload it to the rootfolder of my project. I want to add the files to a collection or list of files to be shown on the webpage in the form of gridview. Each file should have a link to itself in the list So that it could be downloaded by the click-if desired. The gridview will also have a delete column so that I can delete any of the corresponding file-as desired.
View 3 Repliesi am using file upload, i wanted to restrict the files showing in the dialog box to images only. That is 'Files of Type' in the dialog box should be .jpg,.jpeg,.gif,.bmp,.png
View 4 RepliesI have the following:
[code]....
I keep getting this error:
Message = "The conversion of a char data type to a datetime data type resulted in an out-of-range datetime value."
What i'm trying to do is group by ContentObjectId and then get StartDate that is greater than today.
I'm using entity framwork and MS SQL2008
I am creating an site where a user uploads an excel file to check if any of the records exist in a database. Then they are returned an excel file with only the records that are NOT in the database.
I was thinking I should do it this way1. User uploads their excel file. The app opens excel file and loads records into a dataset (so far this is working with the code below)2. Using datarow and another function to check if each excel record exists in the database3 If the record does NOT exist, and it is the first record tested, create an excel file called records.xlsx and write the record into the file
4. Check the next record and if it does NOT exist in the database, then check if records.xlsx already exists then open it and write it into it.
[Code]....
Hopefully its clear, sorry if its not, I'm a bit of a novice at this. Is this a good way to do it? Does anyone know of any tutorials that might outline how to open an existing file and write to it?