Web Forms :: Finding Methods And Events For Custom Server Control?

Aug 10, 2010

I am new to server controls. wanted to know what are the methods and events that has to be written or thought about. which is apartt from the ones inherited from composite controls.

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Similar Messages:

Web Forms :: Page Events Vs Custom Server Control?

Aug 1, 2010

I have custom server control contains templatefield when an out button clicked the field disappear , when can I rebind the control (inside its class) supposed that Control.Page.OnInit+=new EventHandler(rebind()) doesn't do any things ?

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Custom Server Controls :: How To Extend A Web Control's Methods?

Jan 19, 2011

How do I extend a web control's methods?

For example, I want to do this:

[Code]....

I know how to create the loop that checks for the value, I just don't know I to create an method extension to a control.

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Custom Server Controls :: Show Control Event In VS Menu Events?

Jul 22, 2010

am creating a custom server control and there are textbox and button.

I want to add event button to let user execute his/her own code.

I mean my event must show in Events menu at VS (like Property)...

the following image show :

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Web Forms :: Events / Task Calendar - Recurring Events / Tasks Design / Finding Proper Example

Jan 11, 2010

I have been tasked with designing a scheduling system to fit into an existing application. At present I have a SQL Table - Tasks which have a StartDate and EndDate column.

I have a requirement to set the Task as a recurring task i.e. Replace server backup tapes every day, or, Order more stationary once a month.

I am lost on how to design this. I can't seem to find a proper example on the net. can someone point me in the right direction.

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Custom Server Controls :: Events Of Controls Of A User Control?

Dec 11, 2010

I have a user control with a textbox and a gridview. When data is entered into textbox it has to get data from the database and populate in the gridview. The grid view has add,edit and delete events.The user control is loaded dynamically multiple times on to the page.My issue is when i have 2 or more user controls and if textbox of usercontrol1 is changed, it reloads both the controls and fires the postback event of textbox twice each for the user control, where as it has to execute only once. due to which the data modifications in the grid are lost as it pulls back the data once again from the database.

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Handling HTML Server Control Events / How To Wire Up HTML Server Controls Events

Oct 16, 2010

How to wire up HTML server controls events?

I added a Input (Text) control in my web form and turned it into an HTML server control so its an instance of HtmlInputText class.

If I double click on the control It only adds a OnClick event handler method inside the script tags in the HTML doc of the web form but how to I get to handle its Serverchange event exactly? does VS.net 2008 has no ability to auto wire up the event to the control, do I have to manually wire up the event handler?

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Jquery - Creating A Custom Control In Javascript Properties And Methods?

Feb 23, 2011

As a starting point for creating custom controls, I would like to make a control that simply displays a number. If we imagine the .ascx file contains nothing except for a literal control, and the code behind sets that value to 1.

I then want to be able to do myControl.increment();
This will run some javascript that increases the value of the literal control.

I could inject a javascript into the page, such as pseudocode:

page_load
{
scriptything.register("function increment(x) { $('#myLiteral').increment(); });
}

or something, but that wouldn't be myControl.increment, that would just be increment(). More than one control on the page would screw it up.

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Custom Server Controls :: Custom Tag Not Found For Control / Error: Unknown Server Tag 'custom:AjaxValidator'

Jan 3, 2011

Hope this is the correct forum for this question. I am using VWD 2010 an have a web project and get the following error upon execution:

Parser Error Message: Unknown server tag 'custom:AjaxValidator'.

My code is as follows in the .cs file:

[Code]....
[Code]....

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Custom Server Controls :: Handling Events In Dynamic Usercontrol?

May 27, 2010

I created a customDropdown usercontrol with Events and It worked fine.

Now I stored the path of the ascx file in the database table and i want to Load the ascx file and handle the Events dynamically in an aspx page.

To Load the usercontrol and access the public properties and method, I need to know the object i am trying to load, right?

For Example

FeaturedDDL c = (FeaturedDDL)Page.LoadControl("~/FeaturedDDL.ascx").

But I dont want to hardcode objectType "FeaturedDDL", coz i dont have that stored in my Database field.

Since I am loading the usercontrol by getting the path and name of the usercontrol from the database table,how will I know the ObjectType at that time?

How to accomplish that and also how to handle the events for these type of situation?

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How To Use/create A Custom Control In MVC 2 - Finding Tutorials To Write

Sep 28, 2010

I am trying to figure out how to use/create a custom control in ASP.NET MVC 2.

I created a custom control earlier and compiled it (ccontrol.dll), the control renders a div, textbox and a button + some javascript in order to post a comment on the website. It could be a static aspx page that i wanted to allow my visitors to add a comment to. I would then drag my control from the toolbar to the aspx page and run it, it would then render all the code needed on the webpage including fetching the data from a datasource and displaying that inside the div. The user could also just type in a comment and press the button to save it to the datasource.

Is this possible to convert to MVC 2? Any good tutorial that covers custom controls and MVC 2? (Ideally would be if the control could be made into a .dll file that i then could reuse on future webpages)

How do i write a custom control the mvc way? Any good tutorials on the topic?

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C# - Custom Paging Repeater Control Next And Previous Events Happen After Databind

Feb 3, 2010

I have a Custom Repeater control that inherits from Repeater and has paging functionality, however when I click the next page button the first time it refreshes the control but does not change the page, if I click it again after that it changes page perfectly. I know what the issue is, when I click the next button it does a postback, then the data is bound to the repeater, and then after that the NextButton Event is handled.

Is there any way I can change the order of the page load events?? Or force the repeater to reload again after the event is handled?? I've included my Custom Repeater class bellow:

using System.Web.UI.WebControls;
using System.Web.UI;
using System.Data;
using System.Collections;
using System;
namespace ASPresentation.Controls
{
[ToolboxData("<cc:PagedRepeater runat=server></cc:PagedRepeater>")]
public class PagedRepeater : Repeater
{
public int PageSize { get; set; }
public int CurrentPageIndex
{
get
{
return Convert.ToInt16(Page.Session["ProjectIndex"]);
}
set
{
Page.Session.Add("ProjectIndex", value);
}
}
public PagedDataSource pagedData = new PagedDataSource();
LinkButton NextBtn = new LinkButton();
LinkButton PrevBtn = new LinkButton();
public bool IsLastPage
{
get
{
return pagedData.IsLastPage;
}
}
public bool IsFirstPage
{
get
{
return pagedData.IsFirstPage;
}
}
public override object DataSource
{
get
{
return base.DataSource;
}
set
{
pagedData.DataSource = (IEnumerable)value;
}
}
protected void NextButtonClick(object sender, EventArgs e)
{
if (!IsLastPage)
{
CurrentPageIndex++;
}
}
protected void PrevButtonClick(object sender, EventArgs e)
{
if (!IsFirstPage)
{
CurrentPageIndex--;
}
}
protected override void OnInit(EventArgs e)
{
base.OnInit(e);
NextBtn.Text = "Next";
PrevBtn.Text = "Prev";
NextBtn.Click += new EventHandler(NextButtonClick);
PrevBtn.Click += new EventHandler(PrevButtonClick);
}
protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);
base.Controls.Add(PrevBtn);
base.Controls.Add(NextBtn);
}
protected override void Render(HtmlTextWriter writer)
{
base.Render(writer);
}
public override void DataBind()
{
pagedData.AllowPaging = true;
pagedData.PageSize = PageSize;
pagedData.CurrentPageIndex = CurrentPageIndex;
base.DataSource = pagedData;
base.DataBind();
}
}
}

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Custom Server Controls :: Custom Control's Constructor / User To Set That variable In The Properties Window After They Drag The Control Onto A Form?

Mar 4, 2010

I have a custom control which inherit from the Table class and in the constructor, it takes a an integer as an argument. There is no empty constructor.

Is there a way for the user to set that variable in the properties window after they drag the control onto a form.

I know some .NET controls, you can set the source for the parameter to different things like another control's property, QueryString using just the properties window.

Right now, I have to create the control dynamically. I read the query string and then created the object.

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.net - IntelliSense Not Finding Methods?

Mar 23, 2010

I'm working in Asp.net and IntelliSense isn't finding the methods in app code. It executes the code well without any issue at run time, but I'm not able to see the method names while coding. Any idea how to fix this?

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Custom Server Controls :: Paging And Sorting Gridview Custom Control Inside Of A Wizard Control?

Dec 24, 2010

here's a situation and I would appreciate your response.

I have programmatically created the Wizard control:

Page_Load(obj s, evargs e)
{
Wizard ClaimDetailWizard = new Wizard();
foreach(int item in selectedItems)
{
//create new step
//added custom control to new step
//add step to wizard
}
//added wizard to a placeholder on a page
}

Based on List I get from Session i added new steps to my wizard To each step I had added a custom control

Each custom control in tern contains another custom Gridview Control in it.

So here's the problem when the page loads for example for two steps. All is good Wizard does what it's supposed to do.

But when I try to use sorting or paging in that custom Gridview. Somehow it displays the gridview I should see in the next step of the wizard.

Also what I'm noticing through debugging. Is that when I press next in the wizard I go back to the original page where I do all of the code specified above, and it recreates the wizzard. But it goes to the next step. Is this the way wizard supposed to work? Just doesn't seem very efficient.

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Custom Server Controls :: User Template Control Or Custom Server Control?

Jul 22, 2010

I need to develop control (template or user) which must have subtags with some items.

For example :

<SomeControl runat="server" id="scTest">
<column1>TestColumn1</column1>
<column1>TestColumn1</column1>
<column1>TestColumn1</column1>
</SomeControl>

This control may contain some other web server controls such as GridView.I need explanation of experienced developers, how to do that - take me to the right way

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C# - Fire Events And Methods Automatically -according To A Schedule?

Dec 20, 2010

Well, I'm sure this is not the first time to see this question. and TBH you can find this question answered on many other websites and blogs -not only here-

But I never saw a complete answer for this question, I mean no one talked about the advantages and the disadvantages. no one shared a real experience.

Although Quartz.NET seems like a good solution but yet, there's no enough reviews or a good comparison between the different ways to achieve such a thing.

As far as I read about it I found this are the possible ways of doing this :

Using a: Web Service, Windows Appliction, Console Application, Quartz.NET.

Examples of stuff I want to achieve with the scheduled or automatic methods/events are like archiving after a certain period, auto deleting/moving records in the database, setting a property of an object after a certain time, automatically run some methods according to my holiday schedule.

I hope you'd share your experience either with one of those approaches or share a new way of doing this.

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Web Forms :: Treeview Web Server Control Client Side Events?

Sep 2, 2010

I'm using Treeview control with asp.net 2.0. I would like to know how to get the client side events working. I don't want a post back for every little thing i do with the Treeview. Particularly i want to catch the node click event on the client side using java script, i want to enable/disable buttons based on the selected node. Is this possible? i tried some examples available on net but doesn't seem to be working.

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Custom Server Controls :: Video Tutorial Link For Composite And Rendered Custom Server Control?

Aug 20, 2010

i am new to technology so go easy on this post according to what i read from web there are 3 type of custom server controls 1 superclass2 composite 3 renderedi found video tutorial for superclass custom server control but couldnt find video tutials for other 2.lease forward me link for composite and rendered custom server controls video tutorial

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Custom Server Controls :: Add This Control To The Page,an Alert To Check The Text Value Of The Custom Control?

Dec 20, 2010

created a Custom Textbox Control that is intended to be a "masked date" textbox, so that I can handle different ways a user might enter in a date and make it work no matter what.I did this by creating a custom control with 3 separate Textboxes one for month,one for day one for year,then do some handling for different things that could be entered and it would all work.

The problem I am having is,when I add this control to the page,if I do an alert to check the Text value of the custom control it just gives me "[ServerControl1]" even if I enter in a date.

I tried doing an AutoPostback after entering so that it would refesh the Viewstate to have the values of the textboxes but the control doesnt seem to actually postback, even though I have it enabled.accessing the Textbox value after someoen
has entered a date?first custom control I have created and have been using google.

My Server Control Code is as follows:

[Code]...

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Forms Data Controls :: Custom Gridview / Insert The Custom Dropdown Button Using Server Control For Each Column?

Aug 18, 2010

i've created a webform with one gridview having connected with the database using datasource. i.e password database with three colomn .

now want to insert the custom dropdown button using server control for each column.

when i select the dropdown list the list should display the value as required.

e.g if i click the uname dropdownlist then it should show the list of names.

if i click on pwd dropdownlist then it should show the list of numbers.

if i select any one of the value in the dropdown list then it should insert into the

database.

can i get code on this type of question...?

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Custom Server Controls :: Custom Server Control Rendering Method In Multiple Class?

May 17, 2010

I am creating custom server control. I have two classes in project. One is main class that render control and another will be used to render content based on condition.I just want to know how to render content from other classes in main class.For example. This isjust an example.My main class code

[Code]....

My TopLeftPane class

[Code]....

My page code on page load event

[Code]....

When I run the page, Header title always getting null. This is a just sample code. I will have more than 20 classes so I dont want to write a code in main class to render whole control.I hope all of you understand my problem.

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Custom Server Controls :: TemplateField [TextBox] Binded To DataSource (Custom Server Control)?

Jul 28, 2010

Case : a templatefield Text Box created by class TemplateHandler and added to the composite

control Grid .how to bind it to the DataSource Object of the Grid Class ?

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Custom Server Controls :: How To Use A Custom Server Control That Is Defined In Inline Code In The Same Page

Oct 22, 2010

I have to use inline code for an aspx page and I need to use a custom server control that is defined in the same aspx page but the control does not get processed as a server control. it gets returned as is as static html tag.

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Web Forms :: Finding Hidden Server Control In A Page?

Jan 5, 2010

I have a custom listbox control intern it has "hidden input server control".and i want assign values to that hidden control.That custom control is in table which runs at server.When i try to find hidden control using Page.Findcontrol and <tblserver>.findcontrol it is returing with null.Can you please help on this.

Note: If i use Request["HiddenCtrl"] am gettting values,but i want assign values to that control.

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