Declaring object type list in class file giving "missing a using directive or assembly reference” error
I am getting the titled error when I declare a list with object type in a class file in my Asp.Net web application. I have other classes running so the class system does work. The same declaration is fine in a webform c# code behind. Any help is appreciated.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Data;
using System.Data.SqlClient;
using System.Text;
/// <summary>
/// Summary description for TriviaUtilities
/// </summary>
public class TriviaClass
{
public TriviaClass()
{
//
// TODO: Add constructor logic here
//
}
public void getRegistration()
{
List<Activity> sampleREG = new List<Activity>();
}
}
UPDATE: Declaring List<int> sampleREG = new List<int>() or List<string> sampleREG = new List<string>() in the class file poses no problem and this works in a webform also as expected. Declaring the type as an object gives the namespace error in the class file but in the webform it is fine. Since it works on the webform and I have the same namespaces in both the webform and class files, I am suspecting that fixing this is complicated and it needs someone with a higher scope of programming to help with it.
c# asp.net list class object
asked Nov 21 '18 at 22:42
matt2605matt2605
105113
|
show 10 more comments
I am getting the titled error when I declare a list with object type in a class file in my Asp.Net web application. I have other classes running so the class system does work. The same declaration is fine in a webform c# code behind. Any help is appreciated.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Data;
using System.Data.SqlClient;
using System.Text;
/// <summary>
/// Summary description for TriviaUtilities
/// </summary>
public class TriviaClass
{
public TriviaClass()
{
//
// TODO: Add constructor logic here
//
}
public void getRegistration()
{
List<Activity> sampleREG = new List<Activity>();
}
}
UPDATE: Declaring List<int> sampleREG = new List<int>() or List<string> sampleREG = new List<string>() in the class file poses no problem and this works in a webform also as expected. Declaring the type as an object gives the namespace error in the class file but in the webform it is fine. Since it works on the webform and I have the same namespaces in both the webform and class files, I am suspecting that fixing this is complicated and it needs someone with a higher scope of programming to help with it.
c# asp.net list class object
asked Nov 21 '18 at 22:42
matt2605matt2605
105113
This doesn’t really help. What’s the full text of the error?
– stuartd
Nov 21 '18 at 22:45
Maybe you missed including the namespace for your Activity class
– Quergo
Nov 21 '18 at 22:46
Maybe you need to include any usings for custom classes created within your project
– Captain Wibble
Nov 21 '18 at 22:47
If theActivityclass is defined like thisTriviaClassclass, then it's in the global namespace. That means it would have to be referenced likeglobal::Activity. But the better solution in that case would be to put your classes inside of a namespace.
– Rainbolt
Nov 21 '18 at 22:49
1
@CaptainWibble Let's just wait for an answer. There's something different about using the class file I suspect.
– matt2605
Nov 21 '18 at 23:30
|
show 10 more comments
I am getting the titled error when I declare a list with object type in a class file in my Asp.Net web application. I have other classes running so the class system does work. The same declaration is fine in a webform c# code behind. Any help is appreciated.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Data;
using System.Data.SqlClient;
using System.Text;
/// <summary>
/// Summary description for TriviaUtilities
/// </summary>
public class TriviaClass
{
public TriviaClass()
{
//
// TODO: Add constructor logic here
//
}
public void getRegistration()
{
List<Activity> sampleREG = new List<Activity>();
}
}
UPDATE: Declaring List<int> sampleREG = new List<int>() or List<string> sampleREG = new List<string>() in the class file poses no problem and this works in a webform also as expected. Declaring the type as an object gives the namespace error in the class file but in the webform it is fine. Since it works on the webform and I have the same namespaces in both the webform and class files, I am suspecting that fixing this is complicated and it needs someone with a higher scope of programming to help with it.
c# asp.net list class object
asked Nov 21 '18 at 22:42
matt2605matt2605
105113
I am getting the titled error when I declare a list with object type in a class file in my Asp.Net web application. I have other classes running so the class system does work. The same declaration is fine in a webform c# code behind. Any help is appreciated.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Data;
using System.Data.SqlClient;
using System.Text;
/// <summary>
/// Summary description for TriviaUtilities
/// </summary>
public class TriviaClass
{
public TriviaClass()
{
//
// TODO: Add constructor logic here
//
}
public void getRegistration()
{
List<Activity> sampleREG = new List<Activity>();
}
}
UPDATE: Declaring List<int> sampleREG = new List<int>() or List<string> sampleREG = new List<string>() in the class file poses no problem and this works in a webform also as expected. Declaring the type as an object gives the namespace error in the class file but in the webform it is fine. Since it works on the webform and I have the same namespaces in both the webform and class files, I am suspecting that fixing this is complicated and it needs someone with a higher scope of programming to help with it.
c# asp.net list class object
c# asp.net list class object
asked Nov 21 '18 at 22:42
matt2605matt2605
105113
asked Nov 21 '18 at 22:42
matt2605matt2605
105113
edited Nov 22 '18 at 0:06
matt2605
asked Nov 21 '18 at 22:42
matt2605matt2605
105113
asked Nov 21 '18 at 22:42
matt2605matt2605
105113
asked Nov 21 '18 at 22:42
matt2605matt2605
105113
105113
This doesn’t really help. What’s the full text of the error?
– stuartd
Nov 21 '18 at 22:45
Maybe you missed including the namespace for your Activity class
– Quergo
Nov 21 '18 at 22:46
Maybe you need to include any usings for custom classes created within your project
– Captain Wibble
Nov 21 '18 at 22:47
If theActivityclass is defined like thisTriviaClassclass, then it's in the global namespace. That means it would have to be referenced likeglobal::Activity. But the better solution in that case would be to put your classes inside of a namespace.
– Rainbolt
Nov 21 '18 at 22:49
1
@CaptainWibble Let's just wait for an answer. There's something different about using the class file I suspect.
– matt2605
Nov 21 '18 at 23:30
|
show 10 more comments
This doesn’t really help. What’s the full text of the error?
– stuartd
Nov 21 '18 at 22:45
Maybe you missed including the namespace for your Activity class
– Quergo
Nov 21 '18 at 22:46
Maybe you need to include any usings for custom classes created within your project
– Captain Wibble
Nov 21 '18 at 22:47
If theActivityclass is defined like thisTriviaClassclass, then it's in the global namespace. That means it would have to be referenced likeglobal::Activity. But the better solution in that case would be to put your classes inside of a namespace.
– Rainbolt
Nov 21 '18 at 22:49
1
@CaptainWibble Let's just wait for an answer. There's something different about using the class file I suspect.
– matt2605
Nov 21 '18 at 23:30
This doesn’t really help. What’s the full text of the error?
– stuartd
Nov 21 '18 at 22:45
This doesn’t really help. What’s the full text of the error?
– stuartd
Nov 21 '18 at 22:45
Maybe you missed including the namespace for your Activity class
– Quergo
Nov 21 '18 at 22:46
Maybe you missed including the namespace for your Activity class
– Quergo
Nov 21 '18 at 22:46
Maybe you need to include any usings for custom classes created within your project
– Captain Wibble
Nov 21 '18 at 22:47
Maybe you need to include any usings for custom classes created within your project
– Captain Wibble
Nov 21 '18 at 22:47
If the
Activity class is defined like this TriviaClass class, then it's in the global namespace. That means it would have to be referenced like global::Activity. But the better solution in that case would be to put your classes inside of a namespace.– Rainbolt
Nov 21 '18 at 22:49
If the
Activity class is defined like this TriviaClass class, then it's in the global namespace. That means it would have to be referenced like global::Activity. But the better solution in that case would be to put your classes inside of a namespace.– Rainbolt
Nov 21 '18 at 22:49
1
1
@CaptainWibble Let's just wait for an answer. There's something different about using the class file I suspect.
– matt2605
Nov 21 '18 at 23:30
@CaptainWibble Let's just wait for an answer. There's something different about using the class file I suspect.
– matt2605
Nov 21 '18 at 23:30
|
show 10 more comments
1 Answer
1
active
oldest
votes
Yes, Rainbolt, Captain Wibble, Quergo. The original use of the object type for the list is in a web page that contains 3000 lines. Buried in there was the Activity class that the IDE was looking for, for the Activity object type of the list.
See here to create a class.
answered Nov 22 '18 at 8:43
matt2605matt2605
105113
add a comment |
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Yes, Rainbolt, Captain Wibble, Quergo. The original use of the object type for the list is in a web page that contains 3000 lines. Buried in there was the Activity class that the IDE was looking for, for the Activity object type of the list.
See here to create a class.
answered Nov 22 '18 at 8:43
matt2605matt2605
105113
add a comment |
Yes, Rainbolt, Captain Wibble, Quergo. The original use of the object type for the list is in a web page that contains 3000 lines. Buried in there was the Activity class that the IDE was looking for, for the Activity object type of the list.
See here to create a class.
answered Nov 22 '18 at 8:43
matt2605matt2605
105113
add a comment |
Yes, Rainbolt, Captain Wibble, Quergo. The original use of the object type for the list is in a web page that contains 3000 lines. Buried in there was the Activity class that the IDE was looking for, for the Activity object type of the list.
See here to create a class.
answered Nov 22 '18 at 8:43
matt2605matt2605
105113
Yes, Rainbolt, Captain Wibble, Quergo. The original use of the object type for the list is in a web page that contains 3000 lines. Buried in there was the Activity class that the IDE was looking for, for the Activity object type of the list.
See here to create a class.
answered Nov 22 '18 at 8:43
matt2605matt2605
105113
answered Nov 22 '18 at 8:43
matt2605matt2605
105113
answered Nov 22 '18 at 8:43
matt2605matt2605
105113
answered Nov 22 '18 at 8:43
matt2605matt2605
105113
105113
add a comment |
add a comment |
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This doesn’t really help. What’s the full text of the error?
– stuartd
Nov 21 '18 at 22:45
Maybe you missed including the namespace for your Activity class
– Quergo
Nov 21 '18 at 22:46
Maybe you need to include any usings for custom classes created within your project
– Captain Wibble
Nov 21 '18 at 22:47
If the
Activityclass is defined like thisTriviaClassclass, then it's in the global namespace. That means it would have to be referenced likeglobal::Activity. But the better solution in that case would be to put your classes inside of a namespace.– Rainbolt
Nov 21 '18 at 22:49
1
@CaptainWibble Let's just wait for an answer. There's something different about using the class file I suspect.
– matt2605
Nov 21 '18 at 23:30