Web Forms :: Read CSV File Without Using Oledb Connection?
May 24, 2012How can i read CSV file without using Oledb connection.
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Web Forms :: Read Excel Files In Pure C# Without Using OleDB Connection
May 23, 2012I 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.
Reading CSV File With OLEDB Ignores First Line Even With HDR=No In Connection String?
Jan 4, 2011We're converting a Classic ASP site to an ASP.NET site. One function was to upload a 'template' of data in CSV format for importing into the database. There were several different record types in there (the first field always indentifies the type of data).
The task was to get the CSV into a DataTable so it could be validated (new project is to have MUCH better validation rules)
The code seemed pretty straightforward - watered down (taking out comments, Try/Catch, etc) it is as follows:
Dim da As New System.Data.OleDb.OleDbDataAdapter
Dim cn As New System.Data.OleDb.OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & strDirectory & ";" & "Extended Properties=""Text;HDR=No;FMT=Delimited;""")
Dim cd As New System.Data.OleDb.OleDbCommand("SELECT * FROM " & strCSVFilename, cn)
cn.Open()
da.SelectCommand = cd
da.Fill(dtData)
The DataTable (dtData) is populated, but only starting with the second line of the CSV file DESPITE the fact that "HDR=No" is in the connection string. What am I missing here?
How Oledb Connection Should Be Declared
Sep 27, 2010I m new in asp.net c#.
How to declare a oledbconnection object in asp.net c#.
Means should it be declared as a static or public?
ex:- suppose the object is OleDbConnection con;
Whether it should be static OleDbConnection con;
Or public OleDbConnection con;
DataSource Controls :: OLEDB Connection
May 27, 2010The attached code, the oledb part, is giving me a blank web page saying it cant connect on my local dev server. I have another app with the same code, in fact I copied it and changed the db names. The one I copied from works fine.
[Code]....
Databases :: Connection Timeout In OLEDB?
Jan 20, 2011I need to set connection timeout in oledb connection string like
stringA= "Provider=SQLOLEDB.1;Persist Security Info=False;User
ID=sa;PWD=password;Initial Catalog=DB;Data Source=127.0.0.1;Connect
Timeout=30" [code]....
VS 2008 OleDb Connection String In Web.Config
Aug 14, 2010How to put an OleDB Connection String in Web.Config I wrote the following code but getting error
Code:
<appSettings>
<add key="ConnectionString"
value="Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & Server.MapPath("~/App_Data/AMS.MDB")" />
</appSettings>
Getting error while concatenating a string Data Source=" & Server.MapPath
DataSource Controls :: Difference Between Oledb And Odbc Connection?
Jun 23, 2010i am using my sql database. what type of data connection improve the performance.oledb connection or odbc connection ? what is the theory of these architectures?
View 8 RepliesSecurity :: Write Custom MemberShip Provider Only To Read Connection String From Other File
Sep 16, 2010In asp.net mvc project I am using MYSQlMemberShipProvider. Now I want that instead of reading the connection string from web.config file, it will read the connection string from external file every time. So that I am implementing the cutsom mebership provider class, this class inherits the MemberShipProvider class. But the problem is that if I inherits the MemberShipProvider class then I have to impelment all of its method in my cutsom membership provider class, But I want to use all other inbuilt methods of MemeberShip. What can i do. I only want to add the code like below:
public class CustomSqlMembershipProvider :MembershipProvider
{
public override void Initialize(string name, NameValueCollection configs)
{
base.Initialize(name, configs);
Connectionstring objProducts = // redaing the connection string.
}
}
But on compiltaion it is giving me the error does not implement inherit abstract member.
Databases :: How To Read Excel Sheet From 3rd Row Using Oledb Provider
Oct 26, 2010I have a excel sheet and I want to make the 2nd row my header column and read the data from the 3rd row, considering 2nd row is the Column name.
View 1 RepliesUsing Oledb To Export Excel File Returns Empty File
Feb 24, 2010I am using asp.net oledb to export information to excel file. I encounter problems when the information to export becomes too big, in this case the code I have given below, the excel file generated becomes an empty spreadsheet. If I changed the loop to 1123 for insertion of the rows. The generated excel file is fine, 1125 rows, and 4 columns shown. A test program in windows form is also working fine regardless of how many rows.
Code has been simplified, "information ..." in the sql insertion command represents 1803 characters.
ExcelObjConn = "Provider=Microsoft.Ace.OLEDB.12.0;" & _
"Data Source=" & fileName & ";Extended Properties=Excel 12.0 XML"
ExcelConnection = New System.Data.OleDb.OleDbConnection(ExcelObjConn)
ExcelConnection.Open()
Try
SqlCommand = "CREATE TABLE ABC ([row1] text, [row2] text, [row3] text, [row4] text)"
ExcelCommand = New OleDb.OleDbCommand(SqlCommand, ExcelConnection)
ExcelCommand.ExecuteNonQuery()
ExcelCommand.Dispose()
For i As Integer = 0 To 1124
SqlCommand = "Insert into ABC ([row1], [row2], [row3], [row4]) Values ('information...', 'information ...', 'information ...', 'information ...')"
ExcelCommand = New OleDb.OleDbCommand(SqlCommand, ExcelConnection)
ExcelCommand.ExecuteNonQuery()
ExcelCommand.Dispose()
Next
Catch ex As Exception
Finally
If ExcelConnection IsNot Nothing Then
ExcelConnection.Close()
ExcelConnection.Dispose()
End If
End Try
I couldn't find a solution to my problem as well. What I did eventually was to run the process using another separate windows service. The code works perfectly fine running from a windows form or service program, but not asp.net, not sure why.
DataSource Controls :: How To Use Server.MapPath As Datasource While Creating Connection With OLEDB
Nov 15, 2010i am trying to create connection using OLEDB connection in my app. but i am not able to create the connection as in datasource i want to use Server.mappath, but cudn't find the right method to use it. i am trying to make connection with Access database file. following is code i have tried:
string path = Server.MapPath("~/uploadaccess/Production.mdb");
string ConnectionString = @"Provider=Microsoft.Jet.OLEDB.4.0; Data Source=" & Server.MapPath("~/uploadaccess/Production.mdb")&";";
and also
OleDbConnection myConnection = new OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & path&";");
and tried this
OleDbConnection myConnection = new OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & Server.MapPath("~/uploadaccess/Production.mdb"));
and this is the error i am getting:
Operator '&' cannot be applied to operands of type 'string' and 'string'
DataSource Controls :: Oledb Connection String Exception - "Unspecified Error"
May 5, 2010I am developing one web application using MS Access database using oledb connection.Previously i checked the same application is works well in the same machine.Now Today i checked they provide "Unspecified Error". And also Provide the following Exception:
System.Data.OleDb.OleDbException: Unspecified errorat System.Data.OleDb.OleDbConnectionInternal..ctor(OleDbConnectionString constr, OleDbConnection connection) at System.Data.OleDb.OleDbConnectionFactory.CreateConnection(DbConnectionOptions options, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningObject) at System.Data.ProviderBase.DbConnectionFactory.CreateNonPooledConnection(DbConnection owningConnection, DbConnectionPoolGroup poolGroup)at System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection) at System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory) at System.Data.OleDb.OleDbConnection.Open() at clsOledbClass.opencon() in c:inetpubwwwrootcheckNPCApp_CodeclsOledbClass.cs:line 64
I am using the following connection string for connecting database:
[Code]....
OLEDB Connection To Access Not Working; "Data Source Name Not Found And No Default Driver Specified"
Jul 21, 2010I am trying to retreive data from the Access Database from my ASP.Net application.
It works when I access one table for an ExecuteScalar.
but in the following code I get this error;
Data source name not found and no default driver specified
[code]....
Web Forms :: How To Access Connection Connection String From Sub Folder Web.config File
Mar 15, 2011just for my testing purpose i know i can define both the connection's outside in a single web config file by different name's and access them in my front end according to it but what if i want to have seprate for both connection's web.config situation is like this see image so i want to access my connections from second web config file how i can do that.
[Code]...
i tired this but its giving error
[Code]....
Web Forms :: How To Read Encrypted Connection String In Role Manager
Jul 17, 2015i don't know how to use a Encrypted ConnectionString with RoleManager in ASP.NET This is code in Web.config.
<connectionStrings>
<add name="strConnectionString" connectionString="eF8w9r2UJOsk0Ps3pxmV7/Fy/xPR2hN2S7BrC1iOYNnAUaI8AqkSm5bw7r+ta4sePWSV9t/3Spnpz6wsFpvMmcppNpqM5Zk7iiDqWVgIV4k="/>
</connectionStrings>
<roleManager enabled="true" defaultProvider="CustomizedRoleProvider">
[Code] ....
And in project I create a library to read web config
private const string ConnectionStringKey = "strConnectionString";
private readonly string SQLConnectionString =
Security.DecryptString(ConfigurationManager.ConnectionStrings[ConnectionStringKey].ConnectionString);
if I change my ConnectionString like this, it's working:
<add name="strConnectionString" connectionString="server=My-PCMSSQL2008; database=MyDB; uid=sa; pwd=passw0rd;"/>
But I want my ConnectionString Encrypted so i use
<add name="strConnectionString" connectionString="eF8w9r2UJOsk0Ps3pxmV7/Fy/xPR2hN2S7BrC1iOYNnAUaI8AqkSm5bw7r+ta4sePWSV9t/3Spnpz6wsFpvMmcppNpqM5Zk7iiDqWVgIV4k="/>
So when i running website it throw error:
System.ArgumentException:Keyword not supported: 'eF8w9r2UJOsk0Ps3pxmV7/Fy/xPR2hN2S7BrC1iOYNnAUaI8AqkSm5bw7r+ta4sePWSV9t/3Spnpz6wsFpvMmcppNpqM5Zk7iiDqWVgIV4k='.
Line 46: string[] roleNames;
Line 47: roleNames = Roles.GetAllRoles();
Web Forms :: Automatic File Reading / Check For New File Everyday And If The New File Is In The Folder Read It
Sep 20, 2010I would like ask you for some ideas how can I write mechanism that will be automatically read files from folder. I don't know how to schedule the write task. I want to check for new file everyday and if the new file is in the folder read it.
View 2 RepliesWeb Forms :: SMTP Email Error - Unable To Read Data From Transport Connection
May 7, 2015I can not send mail, this error means ?
Code:
using (MailMessage mm = new MailMessage("soporte@linknred.com", correo1.Text.Trim()))
{
mm.Subject = "Activacion de Cuenta";
string body = "Hola " + correo1.Text.Trim() + ", " + "Bienvenido a LinknRed";
body += "<br /><br />Por Favor haz Click en el Enlace Siguiente Para Activar Tu Cuenta";
[Code] ....
How To Bind The Data To Gridview/listview From Access File Using Oledb Provider
Dec 7, 2010When i try to bind the data to gridview/listview from access file using oledb provider its throwing an error specifying that "The 'Microsoft.Jet.OLEDB.14.0' provider is not registered on the local machine.".
[Code]....
And by seeing some articles i changed "Enabled 32 bit applications" as True from IIS. And i have downloaded some DataContext's to work for access, but no use, its not working.
Read Connection String From Web.config
Jan 28, 2011I called the string in my Data layer
string connectionName = System.Configuration.ConfigurationSettings.AppSettings["Connection"].ToString();
now how could call it in SqlConnection con
Unable To Read Connection From App.Config
Apr 16, 2010I am unable to understand. Hopefully someone out there has faced a similar issue and knows the fix. I am creating DAL for my project using class library. In my class library I want to store the connection string in APP.Config file and I have created and saved it.
The problem is when I try to access my connection string by name using ConfigurationManager.ConnectionStrings[Name], it returns null. When I try to access connection string using number like ConfigurationManager.ConnectionStrings[0] It returns a strange connection string i.e. (data source=.\SQLEXPRESS;Integrated Security=SSPI;AttachDBFilename=|DataDirectory|aspnetdb.mdf;User Instance=true)
I want to clearify here that I have not deployed the website yet and its on my local file system so there is no link of this library with IIS.
How To Read Web.config Connection String From User Control
Feb 24, 2011how to read web.config connection string from a user control in C#?
View 2 RepliesC# - How To Run Web Application With Encrypted Web.config/cannot Read Connection String
Mar 19, 2011How to run asp.net application with encrypted web.config ,is it possible note that ASP.NET application have a database with encrypted connectionstring and a "cannot read connection string " message is generated
View 2 RepliesUnable To Read Data From The Transport Connection: Net_io_connectionclosed?
Nov 16, 2010I'm getting this error when I'm send email from my page,
Unable to read data from the transport connection: net_io_connectionclosed
Here my code:
MailMessage msgMail = new MailMessage();
msgMail.From = new MailAddress("info@mydomain.com");
msgMail.To.Add(new MailAddress("emaill@otherdomain.com"));
msgMail.Subject = "Message from web";
msgMail.IsBodyHtml = true;
msgMail.Body = "Test message";
SmtpClient Client = new SmtpClient();
Client.Port = 587;
Client.Host = "smtp server name";
Client.ServicePoint.MaxIdleTime = 1;
Client.Send(msgMail);
msgMail.Dispose();
Visual Studio :: Connection Property Error The Connection Property In The Web.config File Is Missing Or Incorrect In VWD 2010?
Apr 18, 2010When I open an ASP.NET 3.5 project using VWD2010, I get a prompt error message,"The connection property in the web.config file is missing or incorrect.The connection string from the .dbml file has been used in its place."however, my project works successfully.
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