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Please ignore this question. It has been cross posted.
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i am new in mvc and just reading a article from this link http://weblogs.asp.net/scottgu/ef-code-first-and-data-scaffolding-with-the-asp-net-mvc-3-tools-update
view the below image there is two model class one is product and one is category and category class has one property called Products which return ICollection<Product>
and when generate UI with scaffolding pointing to product model class then UI generate with product details and a dropdown appear for category.
i just do not understand how scaffolding incorporate a drodown for category when generate a UI page for product. product has no link for category but how category related drodown comes in product page. just help me to understand it. thanks
see the below image to understand my issue.
https://mscblogs.blob.core.windows.net/media/scottgu/Media/image_thumb_200981F6.png
https://mscblogs.blob.core.windows.net/media/scottgu/Media/SNAGHTML4d81d687_thumb_770E471F.png
https://mscblogs.blob.core.windows.net/media/scottgu/Media/SNAGHTML4e028a2f_thumb_1869D8BD.png
tbhattacharjee
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It knows to scaffold that because there IS a link between category and product - it is defined in the model.
You will want to look into Navigation Properties in Entity Framework, the association is based on a few things:
The Product model has a foreign key link to category via the CategoryID property, so subsequently the product can only hold one category entry. In simple terms, a product can only be linked to one category.
The category model has a navigation property defined as:
public virtual ICollection<Product> Products {get; set}
This means that a category can have multiple products associated with it, which it is why it is defined as a collection in the navigation property as there are more than one.
I'd highly suggest having a read of this : https://www.asp.net/mvc/overview/getting-started/getting-started-with-ef-using-mvc/creating-an-entity-framework-data-model-for-an-asp-net-mvc-application[^]
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Good day friends! I have datalist control that displays messages. I want to add checkbox that will aid users to delete checked messages on heating delete button. But am finding it difficult because checkbox doesn't have commandname either commandargument. Please help!
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Good day friends! Please I need your help. Am using asp.net in my web design where users can send message to other registered users. Am able to get it work but I want the process whereby some can enter more than one email address by separating them with comma. Then, on heating the send button, the message should be send to all inputed email address.
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This is actually very easy my dear freind .u can use
string strEmailaddress = Textbox.text;
string [] EmailArr = strEmailAddress.split(',');
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Yo can use ther j query also if u are not getting proper answer i will give u the jquery answer replay for this
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Please give the JQuery example
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Wow! Thanks alot. I will give this a try.
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i was using jquery datatable in webforms but data was more than 3000 records, client's browser gets stuck everytime. i used datagridview. but it is not good in performance.
now i want to use again jquery datatable using MVC 5. please suggest me ,whether it will be useful or not. becuase in MVC razor engine returns the whole HTML to clients browser. there is no processing at client end in mvc.
would appreciate if anyone answer me as soon as possible.
Thanks in advance.
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Hi,
I hope you have implemented paging. If yes, you can send just 1 page of data in a request from the server.
Most of the client side tools are fast enough to handle 3000 records. I think the problem is not with jquery datatable. You might need to refactor your code.
Life is a computer program and everyone is the programmer of his own life.
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i dont want to use paging in gridview.
i need all data on one page.
plz suggest me ,jquery datatable in mvc will be better approach or not. because i do not want to waste my time.
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If you don't want to use pagination then don't show all data at a time. use scroll paging as user will scroll down and data will be loaded.
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Why do you need 3000 items on one page? If it takes me 5 seconds to process each row it would take me 4 hours to do the page. What you'll probably need is something that loads the data on the fly with ajax, maybe implement it with an infinite scroll solution so that new records are only loaded when the user scrolls down. However, as people have been hinting at, your real solution is to redesign the page so that you don't need to show 3000 records.
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You are right at all. but our client requirement is very different. he needs all data on one page, he dont want to wait on scroll down of page(he didnt like ajax call data on scroll,i did it once.)
I used jquery datatable for quick filter data on client side. but his browser gets stuck.then i moved changes to gridview. it looks better.but on filter ,it takes time. i need to make it fast. i read a solution in MVC , that it provides server side only.and reder all html on server.
so i raised here the question.what should i do. whether jquery datatable for 3000 or more records will work fine on clients browser if i use mvc.
-- modified 29-Mar-15 19:33pm.
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Is this possible to generate PPT on server side and use it on client side without using inter-op property??
Thanks in Advance.
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You can use the Open XML SDK[^] for this.
"These people looked deep within my soul and assigned me a number based on the order in which I joined."
- Homer
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Hi all. Probably it should have been an article, but I want to start in an informal way.
Several months ago, I found myself with a thought I cannot deploy efficiently. But every single tool had its own disadvantages:
1. Atlassian bamboo can build, but can’t deploy well. It always was a Java thing. It can’t make sites, alter web.configs and work with MSSQL.
2. Teamcity is a great product from great company, but it is a CI server wich can make packages and nothing more.
3. Octopus deploy is pretty good thing at first sight but there is a huge mess with packet versions every time I had to decide what packet versions to use and of course it cannot build.
Therefore, I decided to try making my own tool, that can build, and therefore aware of project types, can deploy and aware how things work in ASP.NET.
So please welcome! http://aspnetdeploy.com/[^]
fully open source, hosted on GitHub (wip). Begging for feedback, what do you think of it? does it seem useful for you?
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This post should be in the Free Tools forum[^].
"These people looked deep within my soul and assigned me a number based on the order in which I joined."
- Homer
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I would of never looked there, does sound interesting however.
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