User Control Return Datatable?
May 18, 2010
I am trying to make a user control which has a gridview bound to a sql datasource.On the gridview user control, a user would select some fruits and press insert button and the user control would return a datatable/dataset of the selected items which then get databound to a gridview on the parent page. 1) I have made the user control with the gridview and buttons Included it on form and its working fine3) How to return a datatable from my user control and bind it with the parent page gridview?
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Similar Messages:
Jul 14, 2010
I can fill and then return typed dataset from a web method, but applying these steps by using Typed Datatable instead of Typed Dataset I cannot return filled typed dataTable. So, is it possible to return typed dataTable from a web method? If yes, how can I do this?
I shall give a little bit information about my project. There is 3 project in my solution.
I) Presentation Layer (WinForm), II) Business Layer (Web Service) ,
III) Data Access Layer (Win form project type)... The problem is that;
I use 2 seperate methods. 1st is FillTable() which fill a datatable in my Typed Dataset in Data Access layer. The 2nd isGetTable() which should return typed datatable filled by FillTable() method. I try these methods and FillTable() methods (goes from I. layer to II. Layer and then III. layer) fills a datatable properly and after that I can return this datatable by calling GetTable() method from Typed Dataset (in III. layer) to WebService. I have tested the rows count of returning datatable and there is no problem up to WebService. But even after returning this typed datatable from WebService the table comes to Presentation Layer empty. So, there is a problem returning filled typed datatable from WebService to WebForm (from II. layer to I. layer).
On the other hand, if I try this methods by returning Typed Dataset instead of Typed Datatable, I can return properly with a filled datatable in Typed Dataset. But, I relly do not want to return a huge filled dataset which may contain 15 tables instead of one datatable. My questions;
1) Is there any logical approach mistake on my Layer Architecture?
2) What should I do in order to get a Typed Datatable from Web Service (II. Layer of my project)?
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Dec 18, 2010
Had a datareader question.
[Code].......
Return myDataReader I have a function which is retuning a datareader to various sections of my website which is then being bound to dropdown lists, gridviews, etc. Normally the last line in a function when is the data reader and connection getting closed? Is it best practive to return a data reader or a dataset/datatable (or something even better than these two)?
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Jun 16, 2010
I am building a project in asp.net 4.0. My navigation will be database driven where i return a datatable from the db containing all the pages of my site, some will be top level while others will be children and sometimes children of children n-times. Im thinking of going down the nested repeater route and databinding from code behind, dynamically generating repeaters for children, but have read that this is not a best practice and should consider the listview control. Im wanting to build a list of links using an unordered list.
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Mar 11, 2011
I am trying to load data from an existing DataTable into a new DataTable. Not sure how to get it started. Do not want to merely copy data, I need to load it in row by row.
protected DataTable GalleryByCat()
{
// GLinks is the new DataTable I want to construct and bind to a DataList, Repeater, ListView
[code]...
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Feb 17, 2010
I have no clue what I'm doing wrong here, but I wanted to create a grid view based on a return from a tableadapter.
[Code]....
[Code]....
Also, maybe I should be going about this another way as I wanted to add a drop down to each record and a link to each record.On pointers on how I should do this would be great too.
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Mar 2, 2010
I have created a web services (WCF) and i have a webmethod that return a string that string is a HTTPCONTEXT.USER.IDENTITY.USER unfortunately it does not return any value.
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Jun 4, 2010
I don't think I understand fully how ASP.NET does inheritance of controls.I have a user control, ucBase, which has an asp.net label in the ascx file. Code behind references the label and it works fine during run time if the control is not a parent for another user parent.
If I have another user control, ucChild, inheriting from ucBase, the label in ucBase's code is always null. ucChild has no controls in its ascx fileThe server controls (like the label) needs to be declared in the ascx file and not created programmatically.What needs to be done for ucBase to see its own controls when it's a parent user control?
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Jan 20, 2011
'DataTable' is an ambiguous reference between 'System.Data.DataTable' and 'Microsoft.Office.Interop.Word.DataTable'
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Mar 9, 2010
I am trying to get the porofile for a specified user to return so i can put the info into appropriate textboxes but using profile base and a number of other remedies i cant seem to get it to return anything other than null values
[code]....
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Feb 15, 2011
Which class member can I use to return the number of members, that have signed up for an account? (I'm using the built-in membership/profile/log-in stuff..)
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Oct 19, 2010
I'm new to this forum and just as new to asp
I have been tasked with what on the surface seems a simply problem. I need to provide users with a method of entering an order number and in return they are given the next sequential number (seeded from a resetable number). As each order number is entered and sequential number is returned and a list of all entries/outputs is maintained.
user 1 enters a number, returns 1
user 2 enters another number, returns 2
user 3 enters any number even a repeat of previous number, returns 3
A text file or similar is maintained with results
number,1
number,2
number,3
etc etc
I was going to do this with PHP but its no longer an option, I have IIS available so can be done via web form / asp / sql.
Would anyone be able to give me some pointers?
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Jan 25, 2011
I'm securing an ASP.NET MVC 2 application, and I have a user who is in the role "Foo".
This is true:
User.IsInRole("Foo")
But yet, when I attempt to lock down a controller action like the following, the user is denied:
[Authorize(Roles = "Foo")]
public ActionResult PrivatePage()
{
return View();
}
If IsInRole reports true, why would the Authorize attribute not allow the user in?
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Aug 17, 2010
I'm using membership and roles in a Silverlight Business Application. There is a RegistrationOperation_Completed event in the RegistrationForm.xaml.cs code behind file with:
else if (operation.Value==CreateUserStatus.Success)
{
this.registrationData.CurrentOperation=WebContext.Current.Authentication.Login(, . . .);
. . .
}
where I would like to obtain the UserId that was created for the newly registered user so that I can use it as the key to populate a userdetail table. How do I get it? All I have is the UserName that was used to register the new user.
WebContext.Current.User does not appear to return the UserId.
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Mar 29, 2010
When a user logs in checking the Remember Me box, the LastActivityDate gets updates and Membership.GetNumberOfUsersOnline() includes them. If they return before the cookie expires, their LastActivityDAte is not updated. Then Membership.GetNumberOfUsersOnline() does include them.
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Sep 10, 2010
I've got a web site that has a master page and that master page (mpMaster that has a user control ucControl1) which has a sub user control (ucControl2), this user control has a property which accepts a value. Now, I have a page that uses the master page
and on this page I have another user control (ucPageControl), I need to find a way of setting the value in ucControl2 from ucPageControl. Is this possible at all?
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Feb 17, 2011
I am trying to assign user control from another user control ..first time its binding control successfully but when we refresh the data its giving error
saying "Object reference is not set an instance".
how to refresh data from another user control ...
My senerio below :
1 Aspx page
2. User control
calling usercontrol databinding method from aspx page but once it get refreshed ,not allowed to bind it again..
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Feb 18, 2011
I'm attempting to create a simple menu user control just as outlined here.
The attached code results in an "Object reference not set to an instance of an object" error, but I can't figure out why.
<%@ Master Language="VB" CodeFile="MySite.master.vb" Inherits="MySite" %>
<%@ Register src="Controls/Menu.ascx" tagname="Menu" tagprefix="my" %>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">......
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Jul 26, 2010
how to display a confirm message to the user and return the value mid processing.
Basically the user will upload a file, some processing will begin, if certain issues are found the user will be asked if they want to continue with or without these issues. If the user chooses Yes then processing should resume, if they choose no the program
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Dec 19, 2010
below is my query have one problem:-
[Code]....
In first time My sqlcommand returns null coz if its no data in table..
So on that time i need to show B0... how to do this
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Oct 11, 2010
I have a user table with userID, userName ...the standards. I also have a "Material" table with materialID, materialName, etc.
I combine these in another table "UsersMaterial" with userID and materialID, depending on which materials the user has chosen (between 0 and 5).
Now I need a stored procedure that returns the user information + the set of materials that is mapped to the user.
But I can't see how I can return one row of user information combined with a set of the user materials? Do I join or can I return a set + one row?
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Jun 11, 2010
I have to access the parent form's controls inside an event handler method on my user control's code behind.
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Jan 5, 2011
I know this looks similar to other questions here but I don't think my case is the same as theirs.
I have a website that uses the AspNetSqlMembershipProvider to validate users. I would like to use the same database from a console application. According to several articles on the web I can use the System.Web.Security.Membership class from outside ASP.NET by copying the appropriate sections from web.config to app.config. That is what I did.
My console appliction can get the user with the requested name and I can confirm that the user is approved and is not locked out but ValidateUser returns false for a correct username and password pair.
I have found articles where people have had trouble with migrating code which may be due to a machine key mismatch but have also found a reference saying that machine key is only used if the passwordFormat property equals encrypted whereas I am using hashed.
Is the issue that the two pieces of code - the website and the console app - are in different assemblies and the assembly name or other property is being used during password hashing? In both cases the application name property is set to /.
Should I continue with this approach or just access the database directly and hash the password myself?
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Mar 28, 2010
I want to return only the record or records from one table "tblUserInfo" to my details control where the records are related to the currently logged in user. I have a field in the "tblUserInfo" table named "UserName" that contains the value that is displayed as the current user name when the user logs in. My connections string is located in the WebConfig file and is being recogonized by VWD as being a connteciton string.
I have the following Select statement defined and also tried to set the parameter value to pass to the select statement. Obviously I missed something:
[Code]....
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Mar 10, 2011
I have a web user control that represents a simple message box. It is used to display simple messages like "Item has been deleted", or "The item was saved successfully".
On the other hand, I have another web user control that represents the item in the form of an editable form (I made this a user control because this is used in two different pages). I want to embed an instance of the message box user control inside the editable form. I am writing this right after the @Control directive:
[Code]....
Instead of using @Register directives, I register the user controls in web.config and so far this has worked just fine.
With the above markup, the project compiles, but whenever I try to navigate to a page that contains this construct, I get an HttpParseException exception. Furthermore, Visual Studio states that the tack w7rc9:MessageBox doesn't represent a known control.
What am I doing wrong?
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