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• Re: Updates with Linq and Dynamic Data - How does this work?

  I guess what I'm asking is, "Is DD serializing entities and deserializing them so that it can attach them to contexts between requests?" In other words, if I write my own application without DD, and my client edits data, it is now disconnected from the context that produced it. When I make a request to update the data store, a new context has to be spun up. Now I can't just attach that entity and update unless I have a timestamp or, or unless I have the original entity, or unless

  Posted to ASP.NET Dynamic Data (Forum) by jtlembke on 5/21/2009

• Updates with Linq and Dynamic Data - How does this work?

  I've written and put into Production a Dynamic Data application using Linq To SQL. But, there is something that is still unclear to me: Normally with L2S, in order to update an entity, you have to attach a disconnected entity and have timestamp so that Linq can handle concurrency. Either that or you have to make an additional round trip to the database and, then a refresh, and then submitchanges(). How does this work with Dynamic Data? What's happening back there with updates?

  Posted to ASP.NET Dynamic Data (Forum) by jtlembke on 5/21/2009
  Filed under: update, Dynamic Data, Linq to SQL

• Re: Filter one datasource column with multiple values

  Nice. I tried using that at one point but was confused by there being no constructor on the objects. That worked. Thanks for your help Steve!

  Posted to ASP.NET Dynamic Data (Forum) by jtlembke on 3/12/2009

• Re: Filter one datasource column with multiple values

  So is ForeignKey_MultiSelect from Josh's Dynamic Data Filtering project?

  Posted to ASP.NET Dynamic Data (Forum) by jtlembke on 3/12/2009

• Re: Filter one datasource column with multiple values

  That would be nice if you get a chance to do that. Thanks Steve.

  Posted to ASP.NET Dynamic Data (Forum) by jtlembke on 3/11/2009

• Re: Filter one datasource column with multiple values

  I see your blog on that, but although it mentions [Filter(FilterMode=FilterControlMode.MultilSelect)] I don't know what to do with it after that. I'm already using Josh's coolness, but he doesn't really go into how to do this either.

  Posted to ASP.NET Dynamic Data (Forum) by jtlembke on 3/11/2009

• Re: Filter one datasource column with multiple values

  Understood. But then, what is "InExpressionParameter" and what are the Attributes I see for setting filtermode == multiselect and such? It looks like capabilities are there from an API perspective. Ok, well we tried using OnSelecting to implement Linq, but as I noted in my original post, the results, although they showed as filtered in the Result object while in debug, did not render to the page filtered. Then we tried OnSelected, but the e.Result is readOnly there.

  Posted to ASP.NET Dynamic Data (Forum) by jtlembke on 3/11/2009

• Filter GridDataSource by multiple values in one column

  I have a GridDataSource (DynamicLinqDataSource actually) and I'm trying to filter a column by multiple values. This would be like using "contains" or "in". I originally wanted to leverage my existing code which already filters on one column in page_init: GridDataSource.WhereParameters.Add( new Parameter( "it.Location" , TypeCode.Int32, _location)); I'm not sure how I'd accomplish "contains" style filtering with that. So I tried this: using (MyDataContext

  Posted to ASP.NET Dynamic Data (Forum) by jtlembke on 3/10/2009
  Filed under: contains, filter, GridDataSource

• Filter one datasource column with multiple values

  I've done some poking around, but didn't see an answer on this. I have a GridDataSource that I want to filter when the page loads. But I want to filter a column by multiple values, like using a "contains" or an "in". The column is an integer value. I tried this: protected void GridDataSource_Selecting( object sender, LinqDataSourceSelectEventArgs e) { if (someCondition) { using (MyDBContext db = new MyDBContext ()) { e.Result = db.Employees.Where(emp => _currentUser

  Posted to ASP.NET Dynamic Data (Forum) by jtlembke on 3/10/2009
  Filed under: contains, filter, GridDataSource, in

• Custom Error Page doesn't work on deployment

  Using some code I found at Coding4Fun I implemented a custom friendly error page using Application_Error to server.transfer to the custom pages. On my localhost machine, this works beautifully with the following code: void Application_Error( object sender, EventArgs e) { Exception error = Server.GetLastError().GetBaseException(); LogEvent(error.Source, error.Message, EventLogEntryType.Error, error.StackTrace); Response.Clear(); CompilationSection compilationConfig = (CompilationSection)WebConfigurationManager

  Posted to Configuration and Deployment (Forum) by jtlembke on 12/22/2008
  Filed under: customerrors