Security :: Data Type Conflict And Custom Table Merger
Jan 4, 2011
I merged my website tables with ASPNET.db tables using aspregedit.exe. Problem is the user id in aspnetdb user table differs from userid in website table in datatype. One is Uniqueidentifier and the other int. I tried changing the datatypes accordingly, but unsuccessfully. Do I have no option than to re create all my website tables to match the data type in aspnet.db database?
UserId in custom website table is int. UserId in aspnetdb is uniqueidetifier. UserId in custom website database is the primary key and FK in more than one tables, so thats extensively used in the custom database.
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Jan 6, 2011
I've run into a problem with WCF REST Service. I get:
Could not load type 'System.ServiceModel.Activation.HttpHandler' from assembly 'System.ServiceModel, Version=3.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089'.
when running inside of the IIS in an ASP.NET 4.0 AppPool.
The problem seems to occur only if:Running inside of IIS
When ASP.NET Comaptibility is enabled
Running in Cassini - no problem it works properly. Running with ASP.NET compatibility off - no problem it works.
It appears that it's some sort of handler version conflict trying to instantiate the wrong version of the handler that in turn tries to load an older version of System.ServiceModel, but I haven't been able to trace this down.
Anybody seen anything like this before and have any ideas how to track this down further?
I've looked in ApplicationHost.config and the master web.config files for System.ServiceModel and HttpHandler references but no luck.
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Mar 11, 2010
I've create a custom membership provider
[Code]....
and on web.cofig file
[Code]....
and I tried also
[Code]....
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Jan 5, 2011
This is my first membership provider; I converted the sample provider [URL] to SQL. I created a vb class provider and put it into the App_Code folder. After it was created I tried to modify my webconfig but the error pops up. I don't know what else to try, I don't know if I have missed something
webconfig:
[code]....
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Nov 16, 2010
How can I create below type of gridview with merge merged header columns? If anybody have example share with me.
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Jun 27, 2010
I recently read Scott Mitchell's article series "Examining ASP.NET's Membership, Roles, and Profile". In Part 6 [URL] It says "to store additional, user-specific fields...If you are using the SqlMembershipProvider, this would mean creating an additional database table that had as a primary key the UserId value from the aspnet_Users table and columns for each of the additional user properties."
I created a table named Thread to store some specific users information and comments they make. I set the ThreadId as the primary key and the UserId as the foreign key to the UserId in aspnet_Users table. But when I run the application and use a user's account to submit a comment, there is an error in my Comments.aspx.vb page "Cannot insert the value NULL into column 'UserId', table 'ASPNETDB.dbo.Thread'; column does not allow nulls. INSERT fails.The statement has been terminated."
How can I make the logged-on user's UserId inserted into the Thread table when storing the user's other data information?
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Apr 23, 2010
I am trying to use a second (custom) table to extend my users profile info. This table is in the same database as the 'aspnet_Users' table but has a different name. I create a FK relationship between the 'aspnet_Users' table and my custom table. Here is my web.config code:
<profile defaultProvider="AspNetSqlMembershipProvider">
<providers>
<clear />
<add name="AspNetSqlMembershipProvider"
type="System.Web.Profile.SqlProfileProvider"
connectionStringName="ConString_SQLConnectionString"
applicationName="/" />
<add name="MyCustomProfile"
type="System.Web.Profile.SqlProfileProvider"
connectionStringName="ConString_SQLConnectionString"
applicationName="/"
table="MyProfileTable_Employees" />
</providers>
<properties>
<group name ="MyProfileInfo">
<add name="FirstName" type="string" defaultValue="[null]" customProviderData="FirstName;nvarchar" provider="MyCustomProfile" />
<add name="LastName" type="string" defaultValue="[null]" customProviderData="LastName;nvarchar" provider="MyCustomProfile" />
<add name="EmployeeNumber" type="int" defaultValue="[null]" customProviderData="EmployeeNumber;int" provider="MyCustomProfile" />
</group>
</properties>
</profile>
I have the table "MyProfileTable_Employees" poplulated with data the 'userid' matches to the aspnet_Users table. In my web application (vb), when I type in Profile.MyProfileInfo, there are no custom fields. Actually, when I type profile., there are no profile related entries. What am I missing here? Am I miss-interpting what a custom profile provider is?
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May 17, 2010
I've recently used the CreateUserWizard to add firstname, middlename and lastname to my aspnet_Profile table. I was wondering how I would go about placing these values in a dropdownlist (ddlEmployees) so that I may wind up with a list displaying these values concatenated, eg. Mary Anne Brant, Joseph Ezra Shultz etc. That's the firstname, middlename and lastname from the profiles table.
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Nov 12, 2010
I have a web site that is using windows authentication. 'Enable anonymous access' is unchecked. It works when I call it through Visual Studio but when I put the site on the server I get the following error:
Unable to cast object of type 'System.Security.Principal.GenericPrincipal' to type 'System.Web.Security.RolePrincipal'.
Here is the offending line:
System.Security.Principal.GenericPrincipal genericPrincipal = (System.Security.Principal.GenericPrincipal)HttpContext.Current.User;
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Jul 17, 2010
There are many repeat code in the two functions, could you tell me how to merger two functions into one function?
[code]....
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Nov 16, 2010
How can I create below type of gridview with merge merged header columns? If anybody have example share with me.
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Nov 25, 2010
I'm trying to create a control out of a class I found, and one of the overridden functions is the following:
protected override void PerformDataBinding(IEnumerable data)
However, when I try to build the control I'm getting the error as shown in the subject. I've tried searching, and it seems the signature for the original function matches the one I have, and all other solutions I've seen uses the same signature.
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May 7, 2015
Here Am Using This Query to
SELECT COLUMN_NAME
FROM INFORMATION_SCHEMA.COLUMNS
WHERE (TABLE_NAME = 'TableName')
But Am getting Total Records instead of i need Specific Columns.....
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Oct 21, 2010
I need to pass many records with number of fields(i.e 5rows and 5 columns) in either array or table form to oracle for processing. Is it possible to pass array/table from asp.net pages? If no, any solutions for this? I have been thinking of passing it as string concatenated with delimiter and split it. Seems like it is not appropriate as i have to pass 5 strings(5rows)
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May 10, 2010
I have a dBA who designed a table with a gender field, which the value can only be M or F. He designed the gender field as binary(1).
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Jan 21, 2010
I attempted to change a table columns data type and in the process caused a lot of issues. I had a date column in one of my tables and stupidly changed it from varchar to date. When I tried to run queries on it I keep getting the 'cant find column 3 error'. Now that tables structure is :
[Code]...
So column 4 is actually the date column. All other queries work for this table. I then tried to change it back and then copied all data to a new table and now I am using the new table and converting the dates as needed but I am still getting the error.
SELECT * FROM postlinks WHERE postlinks.date >= CONVERT(datetime,CONVERT(varchar(10),GetDate(),112))
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Jul 30, 2010
GridView bound to a SqlDataSource. GridView.AllowPaging is True. In one of the ItemTemplates I have a LinkButton with a OnClick event.Have a DropDownList for changing GridView.PageSize - done in Page_LoadEverything in of-course in an UpdatePanel.
The whole thing work fine (we are in test fase). The problem is that the LinkButton OnClick event is only being attached to the initial "PageSize" amount of elements. Fx. if I sat PageSize=15 in the <asp:GridView> then change the page size to say 30 from the DropDownList, the page size changes but only the first 15 LinkButtons fire the OnClick event when clicked.
I've tried to do the following:
Attached an "onchange" javascript client event for saving the selected value in a <asp:HiddenField> before postback. Problem here is that the HiddenField value is then only available on Page_Load. By then it's too late to set the new page size on the GridView because the attachemnt of events to the LinkButtons have allready happened - of-course only to the first 15 elements.Then I tried to drop the PageSize=15 in the <asp:GridView> and only sat it in the Page_load. The idea was that with no paging all the Linkbuttons will get treated evenly. That worked, but when I change the GridView page size and click fx. on LinkButton 25, the Click event forks fine but the GridView page size resets to the initial value (15) - no good.
how I can get all the LinkButtons to have their event working, even after I change GridView page size?
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Feb 16, 2010
I have a simple sql server table with around 20 fields in it. I have created an asp.net page which shows the ecords in a gridview & then the selected record in a formview. There may be cases of multiple users editing the same record so i wanted to use the conflict detection in a sqlDataSource to inform users of the conflict. I managed to get this working where i replicated all 20 fields to create the equivalent original_XXX parameter.
BUT i was wondering whether it is possible to show all 20 fields but only use 1 (the date modified field) to check for data conflicts? I have tried to implement this in the following way:
[Code]....
But i've had no luck in getting it working. The conflict detection simply overwrites the changes instead of not allowing the changes and showing the specified error msg (in the onUpdated event). The examples and tutorials i've seen all seem to indicate that each field would need to be compared BUT why can't i simply compare a datetime field which records the last time a record has been updated? Surely, there has to be a better way of resolving the data conflicts than comparing every single field with it's original value?
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Aug 30, 2010
I would like to insert a user's selection of their organization (from a drpt down list) int their profile during the "Create new user" process. Unfortunately, when I tried to do it, I got an error saying that profile columns could not be inserted for anonymous users. The following code doesn't work:
[Web.Config]
[Code]....
[VB]
[Code]....
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Aug 4, 2010
Im using enterprise Manager data access code block and have a table in sql server 2005 with a column type of 'bigint'
when querying against this table and adding in a parameter, there isnt a long datatype available, so is Int32 an equivalent ?
[Code].....
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Sep 9, 2010
My problem is that I have a different format table for each section in my form. And I would like to bind data to these tables. A repeater I don't think is going to work. It would be great if I can do it like this:
[Code]....
Where the "+ 1" is the next record from that datasource --which is bound in code behind. Is there anyway, I can accomplish this without resorting to dynamically created tables.
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Apr 21, 2010
I've recently started tinkering with ASP.NET MVC, but this question should apply to classic ASP.NET as well. For what it's worth, I don't know very much about forms authentication and membership providers either.
I'm trying to write my own MembershipProvider which will be connected to my own custom user table in my database. My user table contains all of the basic user information such as usernames, passwords, password salts, e-mail addresses and so on, but also information such as first name, last name and country of residence.
As far as I understand, the standard way of doing this in ASP.NET is to create a user table
without the extra information and then a "profile" table with the extra information. However, this doesn't sound very good to me, because whenever I need to access that extra information I would have to make one extra database query to get it.
I read in the book "Pro ASP.NET 3.5 in C# 2008" that having a separate table for the profiles is not a very good idea if you need to access the profile table a lot and have many different pages in your website.
Now for the problem at hand... As I said, I'm writing my own custom MembershipProvider subclass and it's going pretty well so far, but now I've come to realize that the CreateUser doesn't allow me to create users in the way I'd like. The method only takes a fixed number of arguments and first name, last name and country of residence are not part of them.
So how would I create an entry for the new user in my custom table without this information at hand in CreateUser of my MembershipProvider?
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Jan 3, 2010
I have been using Grid View sorting with images already but this case is slightly different.
I was going through the tutorial here [URL] pages there is a grid and i tried to implement sorting with images to this grid but i failed.
Here is my c# code
[Code]....
aspx page
[Code]....
The problem here is the datasource of Gridview is of type System.Web.Security.MembershipUserCollection
I am not sure how to convert or assign System.Web.Security.MembershipUserCollection datasource to a dataset or datatable/DataView and sort it.
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Jun 3, 2010
I am using Itext sharp to create a pdf. I am adding an image and I keep getting this error
Request for the permission of type 'System.Security.Permissions.FileIOPermission, mscorlib, ersion=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed.
it is this bit of code that is causing this
[Code]....
If i comment this out, the PDF builds and no errors are thrown (there is just no image)
I don't understand cause I am am trying to do is read a file.
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Oct 13, 2010
I create custom principal for implement logic for users. In identity I store Id, Name. But it abnormally - this classes must use for authenticate and authorize.
I can implement custom MembershipUser, custom Roles and Membership provider.
How to do it? What best practices are?
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