asp.net-3.5 is the 3.5 version of web development framework asp.net, part of .Net. It features: ASP.NET AJAX as a part of the runtime, new LINQ data capabilities, improved support for CSS.
Questions tagged [asp.net-3.5]
1126 questions
735
votes
22 answers
How can I deserialize JSON to a simple Dictionary in ASP.NET?
I have a simple key/value list in JSON being sent back to ASP.NET via POST. Example:
{ "key1": "value1", "key2": "value2"}
I AM NOT TRYING TO DESERIALIZE INTO STRONGLY-TYPED .NET OBJECTS
I simply need a plain old Dictionary(Of String, String), or…
richardtallent
- 32,451
- 13
- 78
- 116
88
votes
11 answers
Unable to convert MySQL date/time value to System.DateTime
I get this error:
Unable to convert MySQL date/time value to System.DateTime
while I am trying to fetch the data from a MySQL database.
I have the date datatype in my MySQL database. But while retrieving it into my datatable, it get the error…
Ankit Chauhan
- 2,255
- 6
- 24
- 36
63
votes
1 answer
Create Text File Without BOM
I tried this aproach without any success
the code I'm using:
// File name
String filename = String.Format("{0:ddMMyyHHmm}", dtFileCreated);
String filePath = Path.Combine(Server.MapPath("App_Data"), filename + ".txt");
// Process
myObject…
balexandre
- 69,002
- 44
- 219
- 321
61
votes
2 answers
Forms Authentication Timeout vs Session Timeout
In my asp.net website i am using asp.net form authentication with following configuration
Hemant Kothiyal
- 3,862
- 18
- 57
- 80
44
votes
3 answers
How to make update panel in ASP.NET MVC
How do I make an update panel in the ASP.NET Model-View-Contoller (MVC) framework?
ibrahimyilmaz
- 16,643
- 12
- 56
- 79
41
votes
7 answers
how to solve Error cannot add duplicate collection entry of type add with unique key attribute 'value' in iis 7
I created a asp.net website and published it in iis 7. I deleted the default website option in the iis 7 and created the new website in the iis 7. When i click the default document I got the error like "Error cannot add duplicate collection entry of…
satya
- 411
- 1
- 4
- 3
34
votes
5 answers
How to initialize a list with constructor?
I have a type:
public class Human
{
public int Id { get; set; }
public string Address { get; set; }
public string Name { get; set; }
public List ContactNumbers { get; set; }
public Human(int id)
{
Id…
haansi
- 4,904
- 19
- 54
- 90
34
votes
6 answers
Check that email address is valid for System.Net.Mail.MailAddress
Currently, to avoid errors from being thrown up due to invalid email addresses, I do the following:
Dim mailAddress As MailAddress
Try
mailAddress = New MailAddress("testing@invalid@email.com")
Catch ex As Exception
'Invalid email
End…
Curt
- 94,964
- 60
- 257
- 340
34
votes
1 answer
creating a user in Active Directory: A device attached to the system is not functioning
Consider this code attempting to create an Active Directory account. It's generating an exception here with a certain set of data. It's not clear right now what's causing the exception.
var user = new UserPrincipal(someValidUserContext,
…
p.campbell
- 91,713
- 61
- 243
- 314
31
votes
2 answers
How the session work in asp.net?
Please any one suggest me how the session is actually work in asp.net?
I am confuse in part of session and want to briefly knowledge of it so please guide me
coolbudy
- 311
- 1
- 3
- 3
27
votes
5 answers
Convert a string to a datetime
I am developing asp.net site using vb framework 3.5.
Im having difficulties converting string data into Date
I tried using cdate function,
I have a variable sdate which is a string variable and date is stored in it which comes from textbox as…
Ishan
- 3,818
- 28
- 78
- 149
26
votes
5 answers
Stopping onclick from firing when onclientclick is false?
Is it possible to use the onclientclick property of a button to do a clientside check. If the check returns true, then fire the onclick event. If the clientside check returns false, don't fire the onclick event.
Is that possible?
UPDATE:
These 2…
oshirowanen
- 15,331
- 77
- 181
- 330
24
votes
5 answers
Access a control inside a the LayoutTemplate of a ListView
How do I access a Control in the LayoutTemplate of a ListView control?
I need to get to litControlTitle and set its Text attribute.
craigmoliver
- 6,282
- 12
- 48
- 87
24
votes
6 answers
The SELECT permission was denied on the object 'Address', database 'CNET_85731', schema 'dbo'
I have been working away for the last 7 months on a C# ASP.NET using Visual Studio 2008 and SQL Server 2008.
Today, I was running part of my application which was previously running and I got the following error:
The SELECT permission was denied on…
Walter Lockhart
- 1,293
- 3
- 20
- 33
23
votes
2 answers
Store and Retrieve values from web.config
I built a small website and there will be only one admin, so in the admin panel I am asking for a password with a value that I do not retrieve from a database, I just hard coded it in the function in code behind, I know this is wrong though I don't…
Maen
- 990
- 7
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- 33