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Value cannot be null. Parameter name: source
...t was in my mark up (HTML) code in mypage.ascx. the issue was I have a <asp:EntityDataSource> and this has got a include property and I have some other tables listed here and mistakenly a table was there that has been delete from the database recently and I never noticed and it returning null ...
Html.Partial vs Html.RenderPartial & Html.Action vs Html.RenderAction
In ASP.NET MVC, what is the difference between:
13 Answers
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How do I access the ModelState from within my View (aspx page)?
How do I access the ModelState from within my View (aspx page)?
1 Answer
1
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Using different Web.config in development and production environment
... to use different database connection string and SMTP server address in my ASP.NET application depending on it is run in development or production environment.
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“’” showing on page instead of “ ' ”
...hich varies depending on the configuration. If this is your issue, then usually just altering the table to use UTF-8 is sufficient. If your database doesn't support that, you'll need to recreate the tables. It is good practice to set the encoding of the table when you create it.
You're most likely u...
Update relationships when saving changes of EF4 POCO objects
...ost to context. After attaching object to context the state of the object, all related objects and all relations is set to Unchanged.
Use context.ObjectStateManager.ChangeObjectState to set your BlogPost to Modified
Iterate through Tag collection
Use context.ObjectStateManager.ChangeRelationshipStat...
window.location.reload with clear cache [duplicate]
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UPDATE 1
After reading the comments I realize you wanted to programmatically erase the cache and not every time. What you could do is have a function in JS like:
eraseCache(){
window.location = window.location.href+'?eraseCache=true';
}
Then, in PHP let's say, you do something like this:
&l...
Can I set an unlimited length for maxJsonLength in web.config?
...ation/json"
};
return result;
This answer is my interpretation of this asp.net forum answer.
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How can I post data as form data instead of a request payload?
In the code below, the AngularJS $http method calls the URL, and submits the xsrf object as a "Request Payload" (as described in the Chrome debugger network tab). The jQuery $.ajax method does the same call, but submits xsrf as "Form Data".
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renderpartial with null model gets passed the wrong type
...this very counterintuitive so I added an "issue", vote on it if you agree: aspnet.codeplex.com/workitem/8872
– pbz
Jun 28 '11 at 22:26
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