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Questions tagged [devart]

Devart is a software development company specializing in native data access solutions, tools and database tools for the most popular databases, including MS SQL Server, MySQL, Oracle, PostgreSQL, InterBase, Firebird, and SQLite.

Devart is a software development company specializing in native data access solutions, tools and database tools for the most popular databases, including:

  • MS SQL Server
  • MySQL
  • Oracle
  • PostgreSQL
  • InterBase
  • Firebird
  • SQLite.

We try to provide high-end products to let you have the fastest data access and the broadest database support.

386 questions
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Error : Parameter name not found, in Postgresql

I am working in Asp.net with postgresql with devart dotconnect connection driver. When i am executing a parmeterized query it is showing error, Parameter name not found My code is below Command = new…
Haider Ali Wajihi
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Offset ignored when writing byte[] to OracleLob using Devarts' dotConnect Express for Oracle

Running C#, .NET 4.5 - I am attempting to write a byte[] to an Oracle 11g database using the devart driver for Oracle (NuGet pkg: dotConnect.Express.for.Oracle, version: 8.4.201). In a special case, I am experiencing that my buffer offset is ignored…
Lasse Christiansen
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Custom Authentication and Autherization in Silverlight 5 Prism 4.1

How I can custom Implement Authorization and Authentication in Prism 4.1 Silverlight 5 Application. I'm Trying to implement Authentication Domain Service but IUser Interface & pre Shipped User : UserBase is giving issue. I want to know what schema…
akirti
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How to check if dotConnect for postgreSQL database connection is right

I've got a excel plugin connected to a PostgreSQL database server and all works well. There is a user interface to switch databases, but when somebody accidentally mistypes the database there are a lot of errors - ofcourse. I would like to check on…
DeniseMeander
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How to Configure Project in Silverlight 5, Entity Framework 6, Telerik, Data Service / RIA

I'm trying to configure a Silverlight Business Application with Silverlight 5 using OpenRIA at VS2013. I'm facing a big challenge. There was no Silverlight Business Application Template. Some How After doing R&D I got it which Uses Open RIA. When I…
akirti
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Oracle MERGE statement not 'sticking' using DevArt dotConnect for Oracle

I'm using an Oracle MERGE statement in dotConnect for Oracle, I know that the MERGE itself is fine as runs in P-Sql and SQL Developer, yet using the dotConnect and ExecuteNoQuery the query is apparently successful (no exceptions thrown) but the…
d sharpe
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DevArt dotConnect for PostgreSQL Entity Framework execute function without import not populating class properties

I have following POCO class against database table public class Contact { [Key] public int Id { get; set; } public string Name { get; set; } public bool Checked { get; set; } public string Mobile { get; set; } public string…
SamTech
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SQLite connection issues

I am experiencing the strangest behavior when trying to test a project on a machine other than my development machine. Everything works fine on the development machine, but when deploying the program, I receive "Error on opening DbConnection." with…
dub stylee
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Unable to load Custom ADO.NET provider for NHibernate

I am using Devart Postgres driver as the Ado.net provider with NHibernate. Since NHibernate does not support Devart Postgres driver, I wrote a custom driver class based on ReflectionBasedDriver. Here is the code: namespace PostgresDriver.DbDriver { …
aparajithanv
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Could not load file or assembly Devart.Data

I have such issue. On my PC where VS is installed and project is developing I use Devart linqconnect. I set option "Copy Local" for Devart.Data.Linq, Devart.Data.SQLite and Devart.Data.SQLite.Linq to true. All goes OK. When try to run application…
frankie
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how to load data source for connection in VS2012 for web

Hi I'm using VS2012 for web express as my tool. I want to use dotconnect postgreSQL for my MVC project. So I tried to add connection to my database explorer. But only Microsoft SQL servers appear in data source list. How can I load different kinds…
tamikoon
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Devart donetconnect connector do not read arabic string

In my winforms Application, I want to display the content of my PostgreSQL database in a grid view. I am using Entity Framework 5.0 and devart dotconnect connector. I have some arabic values in my database that cannot be displaying in gridview, they…
Alkao12
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Connection closed when doing Transaction rollback on Mysql with Entity Framework 6 and Devart provider

I'm working on a project that uses Entity Framework 6 RC to connect to a Mysql database with the Devart provider(v7.8.322.0). But now I run into a problem that when a query fails, the rollback of the transaction fails because the connection is…
Steven Engels
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net: unknown error 1 - C# .Net 2.0

Im getting error: net: unknown error 1 This is my code: private void btnLogin_Click_1(object sender, EventArgs e) { OracleCommand cmd = new OracleCommand(); cmd.Connection = conn; cmd.CommandTimeout = 0; …
Werner van den Heever
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Project does not run on other system without visual studio

I have created a project which is using devart Linq SQL and .Net 4.5. The steps I followed are, Built the project. Copied the Debug/Release folder to another system. Installed devart + dotnet4.5 in this system. Tried to run the .exe. But nothing…
Muneeb Mirza
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