.net – Connection string – Keyword not supported: ‘initial catalog’

asp.netasp.net-mvcconnection-stringdatabase connectionnet

I am using Webmatrix.data's Database entity to create a database connection, however it doesnt like my connection string. I am running it from MVC ASP.net.

Ive tried changing it to server / database, but still errors the same. Where am I going wrong?

        using (var db = Database.OpenConnectionString(@"Data Source=MY-HP\Serv;Initial Catalog=MyDBSQL;User ID=sa;Password=password"))
        {
            var items = db.Query("SELECT * FROM TaskPriority");
        }

Exception Details: System.ArgumentException: Keyword not supported: 'initial catalog'.

Best Answer

check here: Database.OpenConnectionString Method (String, String)

try to specify the provider name as second parameter, from the MSDN example:

var connectionString = "Data Source=.\\SQLExpress;Initial Catalog=SmallBakery;Integrated Security=True";

var providerName = "System.Data.SqlClient";

var db = Database.OpenConnectionString(connectionString, providerName);

Related Solutions

Entity-framework – keyword not supported data source

What you have is a valid ADO.NET connection string - but it's NOT a valid Entity Framework connection string.

The EF connection string would look something like this:

<connectionStrings> 
  <add name="NorthwindEntities" connectionString=
     "metadata=.\Northwind.csdl|.\Northwind.ssdl|.\Northwind.msl;
      provider=System.Data.SqlClient;
      provider connection string=&quot;Data Source=SERVER\SQL2000;Initial Catalog=Northwind;Integrated Security=True;MultipleActiveResultSets=False&quot;" 
      providerName="System.Data.EntityClient" /> 
</connectionStrings>

You're missing all the metadata= and providerName= elements in your EF connection string...... you basically only have what's contained in the provider connection string part.

Using the EDMX designer should create a valid EF connection string for you, in your web.config or app.config.

Marc

UPDATE: OK, I understand what you're trying to do: you need a second "ADO.NET" connection string just for ASP.NET user / membership database. Your string is OK, but the providerName is wrong - it would have to be "System.Data.SqlClient" - this connection doesn't use ENtity Framework - don't specify the "EntityClient" for it then!

<add name="ASPNETMembership" 
     connectionString="Data Source=MONTGOMERY-DEV\SQLEXPRESS;Initial Catalog=ASPNETDB;Integrated Security=True;" 
     providerName="System.Data.SqlClient" />

If you specify providerName=System.Data.EntityClient ==> Entity Framework connection string (with the metadata= and everything).

If you need and specify providerName=System.Data.SqlClient ==> straight ADO.NET SQL Server connection string without all the EF additions

C# – Validation failed for one or more entities while saving changes to SQL Server Database using Entity Framework

You can extract all the information from the DbEntityValidationException with the following code (you need to add the namespaces: System.Data.Entity.Validation and System.Diagnostics to your using list):

catch (DbEntityValidationException dbEx)
{
    foreach (var validationErrors in dbEx.EntityValidationErrors)
    {
        foreach (var validationError in validationErrors.ValidationErrors)
        {
            Trace.TraceInformation("Property: {0} Error: {1}", 
                                    validationError.PropertyName, 
                                    validationError.ErrorMessage);
        }
    }
}

Best Answer

Related Solutions

Entity-framework – keyword not supported data source

C# – Validation failed for one or more entities while saving changes to SQL Server Database using Entity Framework

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