Context Of An Asp.net Website - Way To Check Whether User Has Access To A Particular Record
May 26, 2010
I have a webpage that you pass in an id parameter (via a querystring), which it then uses to fetch data from a database. Typically, a user would navigate to this page from another page that lists only those records that the user has access to. However, if they go directly to the page by typing in the URL in the Address Bar, they can effectively view any record they like. to type something like http://localhost/TestSite/ClientAdmin/ManageLocation.aspx?LocationID=5 into their Address Bar, they can access the database record with the LocationID equal to five - even though they shouldn't have access to it
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Aug 26, 2010
I'm trying to put a registration page together in Visual Web Designer.
I would like to send a confirmation Email after someone is leaving his registration data and pressing the INSERT button.
The key fields in my database are: Email, Name, Surname, Address
Before I send the confirmation Email I would like to check if the email value entered in the form is realy added to the database.
I was copy past already some C code in my page, therefore it will be fine if the code can be in C.
- checking if record is realy added to database after pressing INSERT button
- setup the confirmation Email
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May 27, 2010
Using C#.NET and VWD 2008 Express
I'm looking for a hand with:
When inserting, i would like to check if the record exists in the table, then if it doesn't, insert it, else either redirecting to a different page, or showing a message box saying "Record already exists" ...
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Jun 16, 2010
i have created a report in ms access and now i want to display that record in my asp.net website i use vb.net
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May 14, 2010
I web application is in asp.net with Access databasesome times my application giving this error message "Could not read the record; currently locked by another user." or "Could not update; currently locked."I am using IDbConnection and IDbTransaction object.
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Nov 29, 2010
i have an ASP.NET website which is using a filestream to read in a PDF image from a UNC share on a remote server 2003 box.
i attempt to load the file on the site (which simply embeds a PDF viewer on the site) but when i debug the code, it's throwing a security exception when i attempt to access the file. saying "access to ___ path is denied".
so... i granted access to the UNC path directory to the ASPNET user. i also granted access to the user that's specified for anonymous access in the site itself in IIS.
nothing.
however, i grant "everybody" access and the file comes through.
so, i need to know WHO is trying to access the file. the assumption is either the ASPNET user or the anonymous user setup in IIS. neither of which is gaining access. i tried to set up file auditing on the server2003 box but it's not logging a failure in the security event log when i get an access denied exception.
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Jun 27, 2010
I have written a script to write several values to an Access Database Table, but I need to ammend i so it checks for two values (Asset and LName) to see if they match if they do it updates the record if not it writes a new record, my script so far is as follows :
[Code]....
I'm just stuck as I can't work out the best way to do it,
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Sep 27, 2010
What I am trying is, whenever user enters his Name and Address into the textbox on the webpage, I am going to displaying it in a Gridview. Now if second member will do the same thing thing the GridView will be updated and his Name and Address will display in second row and likewise for other users. But what happened in my code is when second user will try to add his record, it remove the record of first user and add the record of second at row1. I want the record should be added one after another. below is my code
[code]...
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Feb 17, 2011
I'm currently messing around in Access to develop a website, or I should say - develop the initial workings of a database system in an environment that I am familiar with. As the .Net environment is the one I am most familiar with for developing, deploying the Access database into the more full-fledged SQL Server environment is a natural step. Now comes the part with ASP.Net that I'm not so familiar with - reconciliating differences between how I am coding and designing my database with the default website project that ASP.Net provides for a basic multi-user website, from which I've noticed is a lot more thorough than any solution I could code up within a reasonable time-frame.
However, this comes at a cost. I have no inkling on how user data is stored within this environment or how to extend it within my own needs. I can make sample data up the wazoo on my laptop, but if I have no idea how to incorporate with a pre-existing framework, it is worthless to me. The reason why I have not considered this until now is the data I have been working on doesn't pertain to the users in a direct fashion. Anyone have experience designing websites that use ASP.Net and maintain user access? What problems, issues, and design considerations might I need to concern myself when developing a multi-user website with ASP.Net in addition to my data?
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Jul 28, 2010
when we accept user details in a login page and i want to use login details throughout the website.....can we do like this
session["uname"]=username;
string s=session["uname"].tostring(); this is in first page
string str=session["uname"].tostring(); this is my second web page
it is giving error
we can't access in other pages
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Jan 24, 2016
I came across a very interesting functionality to develop using ASP.net.there is a site wihich usually gets millions of hits everyday and I need to implement a functionality to show the name,date and time(history of users) visited the site. When the user clicks on the History button or tab then the page should display the history of 10 users recently visited the sites.
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Mar 21, 2011
I have a delete button bellow my gridview and I want a pop up to show when no record is selected and tell the user to first select a record. The button click event would show the pop up, but my gridview data blanks out.
Here is my code:
[Code]....
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Feb 28, 2011
I have the following pages structure in my asp.net 3.5 website. i want if anybody directly access any page of my site as [URL] then it will automatically redirected to [URL] How to do this using vb.net, asp.net
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Sep 17, 2010
I have my code output a gridview with all the data with an option to select records. I'm trying to make a code which would allow me to select a record, and then print this record using a specific Report stored in MS Access.
I've located the code to print the Report it self, but it prints ether all the records or a range.
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Jan 26, 2011
I have an object defined by my entity framework model that has navigation properties, but whenever the navigation property is null, entity framework seems to try to pull it down again from the database. This is fine for now and I can work on this problem later, but when it tries to get the navigation property from the database, I get the error from the model:The ObjectContext instance has been disposed and can no longer be used for operations that require a connection.
Well this isn't too good that it's blowing chunks like this. Is there anything I can do to ensure that this is only attempted when the context is still open?
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Jul 20, 2010
I'm implementing a MessageEncoder as described at MSDN
Is there a way to access the request, channel, or operation context from a MessageEncoder? I want to be able to save data for C# code to access after deserialization.
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Mar 16, 2010
when click save button,I want to save the textbox values to database table..If the record is already available then just update that value... I have the code for insert and update..but i don't know how to check the already existing record..I need ,check existing record using only auto generated id
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Jul 26, 2010
I tried to illustrate the problem by providing the following instructions, unfortunately the data was deleted and the example failed. It is now working. I have been working through one of Scott Mitchells ASP.NET Application Tutorials Title "Using TemplateFields in the GridView Control"
The URL is ...
The example demonstrates a temporary field being used in different ways, one of which involves dates in a Calender. If the HireDate in the example is deleted or not available the program fails. Providing the date is a valid date it works fine....
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Aug 21, 2010
I want to Check Gr #(PK) of student wheter exist in table or not id exist show Msg in Label after lost focus from text box .. I tried AutoNumber in Access but it showing error while insertion
Note : im using form View control for insertion...
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Dec 12, 2010
Currently i am developing ASP.NET AJAX server control in which i am using jquery code. Inside jquery event, i wish to access the microsoft ajax object. If it is not clear, find the below code example,
Type.registerNamespace("MyControls");
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Nov 22, 2010
There are 10 check boxes in one page. How to code to allow user only check one?
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Nov 22, 2010
There are 10 check boxes in one page. How to code to allow user only check one?
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Jan 15, 2010
i would like to show an image if the record is not activated (SQL inaktiv(bit)=1)
Here is the script code in my aspx-site. An error is displayed in this row: ...
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Sep 21, 2010
I am facing a serious problem here.i developing a college project and in admission page there are a field student_code(in database ) which is manually auto generate but not unique.so I use like following.
My student code procedure ....
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Dec 21, 2010
I am very new to this and have watched a lot of the videos. While trying out VWD2010 and SQL2008 Express, I come across many things, I just don't know how to do. Here is the latest:
I have a Table
UserId - Int - AutoIncrement
FirstName - Var(10)
LastName - Var(10)
I also have an ASP web page that allow the user to enter a first name and last name. It also has a button to submit. What I would like to do is have a Select statement check to see if the name already exists, then send a comment back to the user via a label. If it doesn't exist, then I would like to Insert the info and then again inform the user via label.
SelectCommand="SELECT COUNT (UserId) FROM Users WHERE ((FirstName=@FirstName) and (LastName=@LastName))"
InsertCommand="INSERT INTO User(LastName, FirstName) VALUES (@FirstName, @LastName)"
<InsertParameters>
<asp:ControlParameter ControlID="tbFirstName" Name="FirstName"
PropertyName="Text" Type="String" />
<asp:ControlParameter ControlID="tbLastName" Name="LastName"
PropertyName="Text" Type="String" />
</InsertParameters>
<SelectParameters>
<asp:ControlParameter ControlID="tbFirstName" Name="FirstName"
PropertyName="Text" Type="String" />
<asp:ControlParameter ControlID="tbLastName" Name="LastName"
PropertyName="Text" Type="String" />
</SelectParameters>
On the code behind, I get lost. (Obviously this doesn't work, but I don't know how to go about getting a results back. Protected Sub bSubmit_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles bSubmit.Click
SqlDataSource1.Select(DataSourceSelectArguments.Empty)
(get a return)
(check return value, if <>0 then
lblResults.Text = "exists!"
else
SqlDataSource1.Insert()
lblResults.Text="added!"
end if)
End Sub
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