DataSource Controls :: Reading Excel Files Through Application?

Mar 16, 2010

iam Working on Web apliation using, in system folder (Ex: E://Santhu) i have few Flat files and Excels Files .So My Application should read those files automatically and should store the data into my database..

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DataSource Controls :: Reading Excel And Flat Files From Application

Mar 16, 2010

iam Working on Web apliation using in system folder (Ex: E://Santhu) i have few Flat files and Excels Files .So My Application should read those files automatically and should store the data into my database..

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DataSource Controls :: Uploading / Reading Of Excel 07 Files?

May 10, 2010

I'm able to upload and read any excel file to my server prior 2007, when I try an 07 Excel file, i'm getting the following error message:

'microsoft.ace.oledb.12.0' provider is not registered on the local machine'

do I need anything specail on the web server to allow for Excel 07 files? I'm running IIS6 and a Win 2003 server

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DataSource Controls :: Reading Excel Files To Store Into Sqlserver Database - OleDbException Was Unhandled By User Code

Feb 1, 2010

i've got some problem reading excel files to store into sqlserver database. currently my code has a fileupload control and a button for me to save the excel file into a folder and read the data inside the excel file and write it into the sql database. The code works only if the excel sheet name is Sheet1.xlsx, however i tried upload a diff file named ImportUserFile.xlsx and it gave me the exception below. 'ImportUserFile$' is not a valid name. Make sure that it does not include invalid characters or punctuation and that it is not too long. i have also tried other file names and it seemed only Sheet1.xlsx works.


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DataSource Controls :: Is There A Limit On Number Of Columns For Reading CSV Files

Apr 21, 2010

I'm trying to read a CSV file into a DataTable using OleDbConnection and OleDbDataAdapter. It works loading the DataTable, but only does 255 columns. The file has 362 columns.

Code is as follows -


I have a schema.ini too -


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Databases :: Reading And Writing MS Excel (2007) Files?

Mar 4, 2011

Want to create a web based application for reading and writing excel files.

Issue :

1. Want to upload an excel file and store it some location.
2. Read data from excel file, performing some sorting and filtering
3. Write filtered data to new excel file.

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VS 2008 - Sending Email Reading All ID From Excel Files

Oct 5, 2012

I want to send the email through where "To " email address list store in excel file. Send email to all email Id store in excel file. How to send the email reading all email id from excel files.

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Databases :: Best Way To Import Data From Excel Files Into Application?

Nov 21, 2010

is there any (foc) way to import data from excel files into my application? I'm using ms visual developer express edition 2008.

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Reading An Excel Work Book - OLEDB Or Excel Interop

Mar 22, 2011

I need to read an Excel work book with 2 sheet which have more than 60,000 records. The application is an ASP.Net application so the performance matters.

Which approach should I take? Sohuld I do it using Microsoft.Office.Interop.Excel or should I do it using OLEDB in ADO.Net?

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Forms Data Controls :: Directly Reading And Displaying Excel Or CSV File Using Asp Web Controls?

Oct 19, 2010

I can directly use to read and display Excel or CSV files using asp web control(GridView, sqldatasource etc). I do NOT want to upload the file first to an sql database before reading them, I just want to read the files directly. I am using 2.0 and c#.

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DataSource Controls :: Reading Data From An SQL Query C#?

Feb 26, 2010

I don't know how to read data into variables from a SELECT query. I can add, update, and delete queries with no issues. I have browsed a few books, but everyone uses a different approach. Suppose I want to to run a query and 1 record is returned. How do I get the values into my variables.

Suppose my table name is "Job Orders", and the row returned has these 3 fields:

JobNumber, FirstName, Lastname



this is where I go blank ?

"I learn by doing, not by reading"

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DataSource Controls :: Reading Information From Database?

May 16, 2010

I would like to check my database for to see if a user name is available but my script isn't working.

I am taking input from a text box call unametextbox and i'm trying to extract any matching username from the database, this is my code.


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DataSource Controls :: Reading SQL Schema Information?

Apr 27, 2010

I have a C#/ web application which caches SQL DB schema information. Is there a way that I can determine what child relationships a given table has? I have looked into using the DataTable.ChildRelations property, but it is never populated with items unless i manually create a relationship using the .add property. I also have access to DataColumn information for each column in the database.

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DataSource Controls :: Best Practice For Importing Files.xls Or Files.csv To Database?

Apr 16, 2010

I need to populate a database (SQL Server) with some data from a templated excel document.Here are some approaches:

A) User upload a file.xls or file.csv that the server reads, checks and updates the database (cons:the uploaded file might be too big. file.* needs to be in correct format)

B) User downloads a tool.exe to read and upload file.xls (cons: maintenance of the tool.exe)

C) Use of a web service in excel? (don't know how to do it) but
this article might give you a hint

Which one is the best to use? Are there any others?

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ADO.NET :: Reading The First Row Of A Excel Spread Sheet?

Feb 7, 2011

know the way to read the first row(header) of a excel sheet using

My intention is to check whether the header of the excel sheet is in the correct order(as supplied by me to the end user).

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Reading From Excel And Write To Text?

Jan 25, 2011

I would like to read some data from excel file, create txt file and write into that txt with a format like below; sample txt file

D00101001name1 20110125000000000007474
D00101005name2 20110125000000000127026
D00101007name3 20110125000000000000759

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Web Forms :: Reading Excel File In

Apr 8, 2010

In my application, i have one fileupload control which will take excel file. I want to read this excel file and want to store in datatable. How will i do this. I am using visual studio 2008.

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DataSource Controls :: Reading / Storing Values Of Checkboxlist In SQL (VB)

Sep 22, 2010

I'm trying to store multiple selected checkboxes from a single checkboxlist, but i don't know where to start. Imagine i have three tables: tbl_events, tbl_organisors and tbl_settings and i want to store the organisors of an event. Each event can have multiple organisors, so each organisor should be added as a single row into tbl_settings. I know how to bind tbl_organisors to a checkboxlist, but how do i store the results (meaning: add the rows to tbl_settings) ?

tbl_events: Event_ID (PK) and Event_Name
tbl_organisors: User_ID and user_name.
tbl_settings: Settings_ID (PK), Event_ID and User_ID





Initially all checkboxes will be unchecked, but users must be able to select multiple organisors from the checkboxlist and then store them into the DB by submitting a form. So the query will look something like: INSERT INTO tbl_settings (user_id, event_id) VALUES (@user_id, @event_id). And this is where my head cracks

1) How do i loop through all selected checkboxes and store each value (user_id) in a new row in tbl_settings?
2) After saving, the users reloads the page and the organisors he just selected must be selected by default in the checkboxlist. How?

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DataSource Controls :: SSIS Package Not Reading Configuration

Mar 2, 2010

The short story is, I'm developing an SSIS package to select from a remote Oracle database (read: no Windows Authentication) and store into an SQL Server db. I can execute the package just fine in development and after importing, but when I run it as a scheduled job, I get an ora-01017 error (bad un/pw). The details are, I built this package and tested in in BIDS but came across the problem that BIDS really doesn't save the password I'd set for the Oracle connection. After poking around a bit, I found this

[URL] which showed how to create an XML configuration which the package could then read. Fiddled around with that, got it working in BIDS. Connected to Integration Services on the server on which I want to run the package, imported it, right-clicked and did the "Run Package" option as a test, it works great. However, when I connect to the same server's Database Engine to create and schedule a job, I cannot connect to Oracle. For some reason, it seems as if the package is not reading the configuration when run in schedule.

I've tried removing the job and re-working it, thinking maybe it didn't pick up the new version when I re-imported the package. A new job had the same problem. Next, I tried re-naming the .dtsConfig and doing the "Run Package" option as a test. Failed with the same error. A bit surprised, I thought I'd get some kind of file error and we wouldn't get as far as trying to talk to Oracle. Anyway, thinking maybe it's permissions on the configuration, fixed the .dtsConfig name and gave full access to Everyone. That ought to let the Agent see it. Scheduled up the job, still can't talk to Oracle. So it seems as if the scheduled version is ignoring the configuration. Anyone have any idea what I'm missing, that scheduling an SSIS package makes it act differently than running it manually? BTW, the instance under which we're running the package is VS 2005. BIDS 2005 to build the package.

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DataSource Controls :: Reading With DataReader Into List And OutOfMemoryException

Sep 23, 2010

I'm Using a DataReader to Read about 100,000 records, my code look like :


I have a per row computation in reading the rows on GetMyType2Info() method, and this method also another method that I return only one record by ExecuteReader(). the problem is that when the MyTypeList (List<T>) has about 21,000 Items of MyType (<T>) System.OutOfMemoryException is thrown. wanted to know how to resolve this and wanted to know more about the maximum size of List<T> capacity. in addition the execution of the main Query with 100,000 records take about 4 seconds in SQLServer a record has only types of nvarchar , float,datetime and int

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Forms Data Controls :: Reading And Paging From Datasource?

May 16, 2010

I have a form with several controls. I'm trying to read from database and navigating through single record per page. I'm displaying a single record but not navigating through. My customerID field is the primarykey. But there are gaps btw records (1,2,5,6,10...etc). Some of them were deleted.


<%@ Page Language="VB" Debug="true" CodeFile="customer.aspx.vb" Inherits="customer" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "">
<html xmlns="">
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1" />
<head runat="server">
<form id="form1" runat="server">
Customer ID: <asp:Label ID="lblCustomerID" runat="server" ></asp:Label> <br />
Customer Name : <asp:Label ID="lblCustomerName" runat="server" ></asp:Label><br />
<asp:Button ID="btnPrev" runat="server" Text="Prev" OnClick="Prev_OnClick"/>
<asp:Button ID="btnNext" runat="server" Text="Next" OnClick="Next_OnClick"/>


Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs)
Dim myReader As SqlDataReader
Dim myConnection = New SqlConnection("server=myPCSQLEXPRESS; database=CustomersDB; uid=myPC est; Password=; Trusted_Connection=yes")
Dim myCommand = New SqlCommand("SELECT * FROM Customers", myConnection)
Dim intFirstRecord As Integer = CInt(myCommand.ExecuteScalar())
myReader = myCommand.ExecuteReader()
If myReader.Read Then
lblCustomerID.Text = myReader("customerID")
lblCustomerName.Text = myReader("CustomerName")
End If
currentRecord = lblCustomerID.Text
End Sub

Sub Next_OnClick(ByVal sender As Object, ByVal e As System.EventArgs)
Dim myCommand As SqlCommand
Dim myConnection As SqlConnection
Dim myReader As SqlDataReader
myConnection = New SqlConnection("server=myPCSQLEXPRESS; database=CustomersDB; uid=myPC est; Password=; Trusted_Connection=yes")
myCommand = New SqlCommand("SELECT TOP 1 customerID, CustomerName FROM Customers WHERE customerID > @customerID", myConnection)
myCommand.Parameters.Add("@customerID", SqlDbType.Int, 5).Value = currentRecord
myReader = myCommand.ExecuteReader()

If myReader.Read Then
lblCustomerID.Text = myReader("customerID")
lblCustomerName.Text = myReader("CustomerName")
End If
End Sub

I'm being able to read first record. If I click Next button, my page goes to next record for only once. If i click several times, nothing happens. Does not go to next available records.

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DataSource Controls :: Reading Datetime - Write It To Another Database?

Jun 4, 2010

I have a record created date stored as" 2010-05-16 15:44:18.700" in sql server database. When I read this date it gets converted to "5/16/2010 3:44:18 PM" . How should I read it so that I don't loose the ending '700' value so that it gets written exactly to another database.Code for reading the record:

String myConn = ConfigurationManager.ConnectionStrings["DBConnectionString"].ToString();
SqlConnection con = new SqlConnection(myConn);
SqlCommand cmd = new SqlCommand();[code].....

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Databases :: Reading Data From An Excel Workbook (.xls)

Mar 1, 2011

I have a scenario where I have to read an excel file to dump records in a mysql database. The code generates an exception Sheet1 not found. I have pasted the code below. Please let me know the solution to the exception. I have given the correct read/write/modify settings to my excel file.

if (fileUpload1.PostedFile.FileName.EndsWith(".xls") || fileUpload1.PostedFile.FileName.EndsWith(".XLS"))
string fileName = Server.MapPath(fileUpload1.PostedFile.FileName);
string connString = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + fileName + ";Extended Properties=Excel 8.0";
// Create the connection object
OleDbConnection oledbConn = new OleDbConnection(connString);
// Open connection
// Create OleDbCommand object and select data from worksheet Sheet1
OleDbCommand cmd = new OleDbCommand("SELECT * FROM [Sheet1$]" , oledbConn);
// Create new OleDbDataAdapter
OleDbDataAdapter oleda = new OleDbDataAdapter();
oleda.SelectCommand = cmd;
// Create a DataSet which will hold the data extracted from the worksheet.
DataSet ds = new DataSet();
// Fill the DataSet from the data extracted from the worksheet.
oleda.Fill(ds, "RestaurantExcelData");
for (int i = 0; i < ds.Tables[0].Rows.Count; i++)
Response.Write("Data: " + ds.Tables[0].Rows[i].ItemArray[0].ToString() + "");
catch(Exception e1)
// Close connection
Response.Write("File Not Excel (xls||XLS)");

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Connection String Reading Data From Excel?

May 18, 2010

I am trying to read data from excel file in I have added the connection string to webConfig file:

<add name="xls" connectionString="Provider=Microsoft.Jet.OLEDB.4.0;Data Source=HPM_DB.xls;Extended Properties=Excel 8.0"/>

But it shows me an errormessage when I run this query:

string query = "Select * from [IO_Definition$]";

IO_Definition is the name of the spreadsheet in my excel file. I also added the excel file to the App_Data folder of the website.

The error is:

The Microsoft Jet database engine could not find the object 'IO_Definition$'. Make sure the object exists and that you spell its name and the path name correctly.

The thing is, when I write the absolute path of the excel file in the connectionString it does work. Is there anyway I can make it work without writing the absolute path?

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Reading Data From A Non-standard Excel Format?

Feb 26, 2011

I want to read data from an excel sheet which is in non-standard format. I have tried many things but could not find a solution,

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