Dynamic Data Website Using Ado.net Entity Framework And Mysql Giving An Error Just On The Server?

Oct 3, 2010

I have an asp.net dynamic data website .net 3.5 built on ado.net entity framework with mysql database.Currently I have just one table in my entity model.

Everything is working fine on my local machine but when i uploaded on my server i got this error message:

"More than one item in the metadata collection match the identity 'mtDBModelStoreContainer'"

Note that this error happen when i open the table "WebsiteAdmin/users/List.aspx"

View 2 Replies


Similar Messages:

Using Dynamic Data Filtering With Entity Framework?

Jun 26, 2010

I have just added the Dynamic Data Filtering library to an Entity Framework based Dynamic Data web application, but on trying to access List.aspx, I get the following error. Is there anything I can do about this on .NET 4?The method 'Skip' is only supported for sorted input in LINQ to Entities. The method 'OrderBy' must be called before the method 'Skip'.

View 2 Replies

C# - Best Tutorial For Using The Entity Framework, POCO, And MySQL?

Dec 23, 2010

I am looking for a solid tutorial on using the Entity Framework with POCO (ie. not using the designer) using MySQL as the back-end. I am looking for something that is semi-in-depth covering stuff like attributes (like how to map a database table/field name to a class/field name that is different). Also I am looking for C#, not VB. Does anyone know of any such tutorials?

View 3 Replies

Insert Record Into Mysql Db With Entity Framework

Apr 19, 2010

the problem is that it will insert a new record in a mysql table, I have already done the mapping of the mysql db and I have already done tests returning data and everything works. Now I read from a file, where there are queries written, I have them run me back and the result of true or false based on the final outcome of single query written to the file. Txt; I did this:

using (var w = new demotestEntities ())
(
foreach (var l listaqueri)
(
var p = we.CreateQuery <category> (l);
we.SaveChanges ();
result = true;
)
)

but it does not work, I sense that it returns no errors, but neither the result given written in the query. txt file is as follows: INSERT INTO category (id, name) VALUES (null, 'test2')

View 1 Replies

Entity Framework - RADs - Dynamic Data Alternatives

Mar 25, 2010

We have a set of tables and views that merely store some config data for embedded devices. this schema is change-prone and do not really required lots of logic, beyond some validation rules. so we considered using a RAD tool for maintaining these CRUDS. In first stage: Dynamic Data But the community size, books absence and the last modification dates of the MSDN articles (~July 2008) makes me want to hear your experiences. (actually DynamicData comes as a part of the ASP.Net MVC2 project) What has been your experience with Dynamic Data? What is your favorite ASP.Net RAD alternative? Why?

View 1 Replies

Can Build ADO.NET Entity Framework Based On MYSQL Database

May 19, 2010

I am using MUSQL Database extensivly in my projects,

can we build ADO.NET entity framework based on MYSQL database?

View 2 Replies

Entity Framework - Dynamic Data IS Showing Primary Keys For Every Table When Using Entities

Feb 4, 2010

Using a very run-of-the-mill database, with identity int for primary keys, a Dynamic Data Entities Project (EntityFramework) displays the primary key for view and edit. When using Linq to Sql, the primary key fields are not displayed.

I would like to hide the primary keys and use Entity Framework (VS 2008, .Net 3.5 sp1).

View 1 Replies

Exporting Entity Framework 4 Data Model To Entity Framework 3.5?

Oct 25, 2010

Is there a way to export a EF 4.0 Data Model to EF 3.5?

I looked around and found that we are not able to access EF 4.0 from a ASP.Net 3.5 project here: [URL]

Our project is the 1st to go to .Net 4.0 using Entity Framework and we (the team) were wondering if there was a way for the other projects that "might" need to access our data that are still using the .Net 3.5 framework.

View 1 Replies

DataSource Controls :: Linq Update Via .attach() Giving Entity Exists Error?

Jan 5, 2010

I have a "simple" method that takes a Linq entity containing the information I want to update. The method then creates a list of counties the information is to be updated for, and tries to update the information for each county.

So user goes in fills form out selects update All counties, and the information in the form should be updated for all the counties for the member. Here is the code.

[Code]....

The first pass through the foreach runs perfectly, the second time through I get an error: Cannot attach an entity that already exists.

What is best way to work around this?

I have though about putting the foreach loop in my business_logic layer, and have it pass both the newRecord and OldRecord, but figured I would ask, before making the code change.

View 1 Replies

Use Dynamic Keywork To Work With Entity Framework?

Mar 4, 2011

I am using .net framework 3.5 framework & for database operations entity framework. So, to fetch the data i am using LINQ queries & returns a resultset in a list.e.g

public class Emp
{
public int CD{get;set;}

[code]...

View 2 Replies

Entity Framework Error - Unable To Find Requested Data Provider

Feb 15, 2011

I get this error when I try to publish a asp.net 4.0 application on my server. I am using entity framework and mysql as the database. Unable to find the requested .Net Framework Data Provider. It may not be installed.

[ArgumentException: Unable to find the requested .Net Framework Data Provider. It may not be installed.]
System.Data.EntityClient.EntityConnection.GetFactory(String providerString) +251
[ArgumentException: The specified store provider cannot be found in the configuration, or is not valid.]
System.Data.EntityClient.EntityConnection.GetFactory(String providerString) +10983191
System.Data.EntityClient.EntityConnection.ChangeConnectionString(String newConnectionString) +641
System.Data.Objects.ObjectContext.CreateEntityConnection(String connectionString) +67
Satelite.Dados.sateliteEntities..ctor() in E:Sites_dotNet4.0satelite runkSistemaDadosSatelite.Designer.cs:64
[TargetInvocationException: Exception has been thrown by the target of an invocation.]
System.RuntimeTypeHandle.CreateInstance(RuntimeType type, Boolean publicOnly, Boolean noCheck, Boolean& canBeCached, RuntimeMethodHandleInternal& ctor, Boolean& bNeedSecurityCheck) +0
System.RuntimeType.CreateInstanceSlow(Boolean publicOnly, Boolean skipCheckThis, Boolean fillCache) +117
System.RuntimeType.CreateInstanceDefaultCtor(Boolean publicOnly, Boolean skipVisibilityChecks, Boolean skipCheckThis, Boolean fillCache) +247
System.Activator.CreateInstance(Type type, Boolean nonPublic) +106
System.Web.DynamicData.<>c__DisplayClass2.<RegisterContext>b__1() +15
System.Web.DynamicData.MetaModel.RegisterContext(Func`1 contextFactory, ContextConfiguration configuration) +483
Satelite.Global.RegisterRoutes(RouteCollection routes) in E:Sites_dotNet4.0satelite runkSistemaSateliteGlobal.asax.cs:35
[HttpException (0x80004005): Exception has been thrown by the target of an invocation.]
System.Web.HttpApplicationFactory.EnsureAppStartCalledForIntegratedMode(HttpContext context, HttpApplication app) +3988565
System.Web.HttpApplication.RegisterEventSubscriptionsWithIIS(IntPtr appContext, HttpContext context, MethodInfo[] handlers) +191
System.Web.HttpApplication.InitSpecial(HttpApplicationState state, MethodInfo[] handlers, IntPtr appContext, HttpContext context) +325
System.Web.HttpApplicationFactory.GetSpecialApplicationInstance(IntPtr appContext, HttpContext context) +407
System.Web.Hosting.PipelineRuntime.InitializeApplication(IntPtr appContext) +375
[HttpException (0x80004005): Exception has been thrown by the target of an invocation.]
System.Web.HttpRuntime.FirstRequestInit(HttpContext context) +11529072
System.Web.HttpRuntime.EnsureFirstRequestInit(HttpContext context) +141
System.Web.HttpRuntime.ProcessRequestNotificationPrivate(IIS7WorkerRequest wr, HttpContext context) +4784373

View 1 Replies

ADO.NET :: Entity Framework Dynamic Model (change At Runtime)

Mar 18, 2011

I am making a web project now. And i meet some problems working with Entity Framework. My program needs to have dynamic model. I try to explain. So i have classes and database is created from them. At the beginning of work program checks in folder Modules for assemblies and looks for classses that needs to be created as tables in database(this classes have to become a part of ef model). And i need at runtime create database.If some new classes was added so add this tables to database, but not recreate it(as it is made by default). If i delete classes the tables are not deleted.

View 2 Replies

How To Generate A Dynamic Connection String In Entity Framework 4

Sep 27, 2010

Is it possible to choose a specific database that will be used with the entity framework? At this time, I use the connection string in the Web.Config as database authentication.

I have twelve databases, each of them has the same structure and the same stored procedure.

There is one database for each client. When a client wants to login into the system, he needs to choose his database name from a listbox.

I would like to create a dynamic connection string which will include the database name chosen by the client.

View 1 Replies

SQL Server :: For Loop Giving An Error While Inserting A Data?

Jan 29, 2011

I'm having some problems with the interface I've created. I am getting value and ids in a string using for loop on the controls(objects). After some searching, I've discovered that it isinserting an empty string into my database fields as opposed
to an null value. I need my application to insert NULL values, not emptry strings. Can any one suggest me on this and also how can i prevent sql injection on the above code. because i am passing like following :

@variable1='Name,Address,Remarks' //(as a Column name)
@variable2='Pritesh,Mumbai,any remark' //(as a column value for above.)
exec myprocedure 'tablename','@variable1','@variable2'.

if any one pass single inverted comma in the above column value in @variable2. my code give me error. how can i prevent this sql injections..

View 1 Replies

ADO.NET :: Adding A New Entity In Entity Framework 3.5 With Related Data?

Aug 5, 2010

I am trying to add a new entity and have to refernce associated data to add it. I cannot load the Referencetables. Giving "The EntityReference could not be loaded because it is not attached to an ObjectContext." How do i complete this task in Entity Framework 3.5

[Code]....

View 1 Replies

Error CS0012 In Entity Framework And MVC Application.?

Jul 10, 2010

I've just created a new MVC 2 application that references both an entity model library and a services library, and all compiles fine without running the app, but when I try running it, I get the following runtime error"

Compiler Error Message: CS0012: The type 'System.Data.Objects.DataClasses.EntityObject' is defined in an assembly that is not referenced. You must add a reference to assembly 'System.Data.Entity, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089'.

I have double checked umteen times (e.g. Umpteen*n) and the cited assembly is refenced in all three projects. If it wasn't, WTF would I not get a build error?

View 1 Replies

C# - How To Solve Out Of Memory Exception Error In Entity Framework

Apr 5, 2010

these below codes give whole data of my Rehber datas. But if i want to show web page via Gridview send me out of memory exception error.

[code]....

View 1 Replies

ADO.NET :: [Entity Framework] Strange Error Executing A Sql Query

Nov 29, 2010

I have a strange error, I've tried to search for it before writing this post but I wasn't able to find out a solution yet.

I'm executing a query using ExecuteStoreQuery against a MySQL database, but it throws an exception reporting that there's a syntax error in my SQL.

I've tried to copy&paste the sql query into the MySQL tool and it works nicely, giving the correct results.

I've tried to open manually the connection and using CreateCommand to use it the "old way".

My query is a bit long, 4000 chars more or less, could it be the problem?

View 4 Replies

Entity Framework CTP5 - Code First - Nested Query Error

Jan 3, 2011

I have the following classes:

public class Category
{
public int CategoryId { get; set; }
public string Name { get; set; }
}
public partial class CategoryMap : EntityTypeConfiguration<Category>
{
public CategoryMap()
{
this.HasKey(c => c.CategoryId);
this.Property(c => c.Name).IsRequired().HasMaxLength(400);
}
}
public class MyObjectContext : DbContext
{
public MyObjectContext(string connectionStringName)
: base(connectionStringName)
{
}
public DbSet<Category> Categories { get; set; }
protected override void OnModelCreating(ModelBuilder modelBuilder)
{
modelBuilder.Configurations.Add(new CategoryMap());
base.OnModelCreating(modelBuilder);
}
}

Now when I run the following code I get an exception (GenericArguments[0], 'System.Int32', on 'System.Data.Entity.Internal.Linq.ReplacementDbQueryWrapper`1[TEntity]' violates the constraint of type 'TEntity')

DbDatabase.SetInitializer<MyObjectContext>(new DropCreateDatabaseIfModelChanges<MyObjectContext>());
using (var context = new MyObjectContext("NopSqlConnection"))
{
var query1 = from c in context.Categories
select c.CategoryId;
var test1 = query1.ToList(); //works fine
var query2 = from c in context.Categories
where query1.Contains(c.CategoryId)
orderby c.Name descending
select c;
var test2 = query2.ToList(); //throws the exception
}

View 1 Replies

Error While Updating Database Record With Entity Framework On MVC Page?

Mar 12, 2010

I have an ASP.NET Page that updates registered User Address Details for a selected record.

Below is the Update method that i am calling from Controller.

When i am calling ApplyPropertyChanges method, I am getting the below error.

Did anyone run into the same error while updating the record with Entity Framework.

[code]...

View 4 Replies

Insert Html Pages To MySQL - Error "check Manual That Corresponds To MySQL Server Version For The Right Syntax"

Oct 7, 2010

I am trying to insert html pages to MySQL with my Asp.NET project but i am getting error; You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'de Osman patlaması', '', '<div style="text-align: center"> <img src="/i' at line 1

How can i fix that problem my server side code is;

MySqlConnection myCon = new MySqlConnection();
myCon.ConnectionString = ConfigurationManager.ConnectionStrings["MySQLConnectionString"].ConnectionString;
MySqlCommand cmd = new MySqlCommand();
cmd.CommandType = CommandType.Text;
string query = @"INSERT INTO `test`.`posts` (`id`, `author`, `title`, `description`, `content`, `ispublished`, `iscommentsenabled`, `pubDate`, `lastModified`, `raters`, `rating`, `slug`, `tags`, `categories`) VALUES (NULL, '{0}', '{1}', '{2}', '{3}', '{4}', '{5}', '{6}', '{7}', '{8}', '{9}', '{10}', '{11}', '{12}')";
query = String.Format(query, p.author, p.title, p.description, p.content, p.ispublished, p.iscommentsenabled, p.pubDate, p.lastModified, p.raters, p.rating, p.slug, p.tags, p.categories);
cmd.CommandText = query;
cmd.Connection = myCon;
cmd.Connection.Open();
cmd.ExecuteNonQuery();
cmd.Connection.Close();..............

View 2 Replies

C# - IIS Server / Webpage Giving Error Some XML ERROR?

May 25, 2010

whenever i needed to test my web site, i used to press ctrl and f5. i recently installed installed iis service. kept an html page accessed it from host kept an fully developed default.aspx page in the www directory tried to access gave error of XML something....that means i can only use HTML pages, ? so what to do if i am using c# asp.net? current i do not have the computer with iis installed so i cannot post the exact error message it was something like can not render XML (then it said something like unknown line)

"<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs"
Inherits="_Default" %>"

View 2 Replies

ADO.NET :: Sql Server Login Permissions For Entity Framework

Sep 15, 2010

what permissions should we grant to the sql login for entity framework?

View 1 Replies

ADO.NET :: Entity Framework With Stored Procedure Versus Entity Framework Without Stored Procedures

Nov 2, 2010

I am new to entity framework , it is really very good , but I want to know what is the difference between using entity framework with stored procedure or without stored procedure , which one the faster and what is the benefits for using stored procedures with entity framework.

View 1 Replies

ADO.NET :: SQL Server Views And The Entity Framework - Pros Vs Cons?

Mar 16, 2011

I was wondering what your thoughts were in regards to utilizing SQL Server Views as objects in the entity framework? It would only be used for reading data versus modifiying it.

View 2 Replies







Copyrights 2005-15 www.BigResource.com, All rights reserved