I built a simple user control called noteEditor. I need to set/get the CommandName property when the control is used in a gridview. I seem to be able to set it just fine but when I to get it I get a null.Here is the code for my user control:
[Code]....
Here is how I use the control in a gridview on the host page:
[Code]....
As indicated by the comment, e.CommandName always returns an empty string.
Can anyone add a complete input about how to create Parent Property with multiple child properties or in short nested properties.
Example: Style tag: which has properties like font, color, display... etc? which accept objects and its value.
[code]....
As soon as Rainbow property is typed, user should get intellisense for list of number of colors. Then accordingly user can select list of those colors and assign a value to them.
So what I'm trying to accomplish is this
[Code]....
The user control has public properties named accordingly and the page has protected properties accordingly which I've verified have the desired values.
For some reason the values are always empty strings or 0s in the usercontrol, no matter what the page property is.
I have a UserControl that is on a masterpage... I have created the following property for the userControl in the codebehind:
[Code]....
Now I need to access this control and change that property from an aspx page that uses the masterpage with the control. I'm stuck I cannot seem to find the controls property. I can find the control and make it visible or not but I cannot find the property to modify control...
I have this public property in the codefile of an aspx page:
[Code]....
Then in that aspx page I have a usercontrol (.ascx), how can I access the above public property form its codebehind?
I need to read a Property/variable from outside the webpart usercontrol to determine a course of action. This is not the same as using the Property Editor.
I have numerous usercontrol webparts all accessing the database.
When minimised, I don't want the webpart to hit the database.
So, I need to either : detect within the usercontrol webpart itself that its chromstate is minimised and therefore not access the database (and)or from the Webpartmanager loop through webparts, determine those that are minimised and set a variable / property within the webpart to inform it not to access the database on postback.
Something like...(pseudoCode)
for (int i = 0 ; i < webpartmanager1.webparts.count ; i++ )
webpart wp = (webpart)webpartmanager1.webpart[i];
if (wp != null)
if (wp.ChromeState == PartChromeState.Minimized)
{
// set a known variable in this particular webpart so it can determine whether to refresh its datagrid or gridview or whatever
}
}
OR
Can a usercontrol webpart determine its own ChromeState ????
I have a user control registered on content page in content page i hve a label control
How i set content pages label control text property from usercontrol in u.control page load.
I currently have a repeater control and inside the itemtemplate I have a usercontrol. This usercontrol renders correctly, but I am trying to assign a dataitem to a property in the repeater control.
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RequestId is just an Int32. It just doesn't assign it.
I can put the eval outside of the usercontrol just in the itemtemplate and it correctly outputs the right id.
If I remove the whole eval and just type a number in then it works fine. I was using an EntityDataSource and this automatically binded to the repeater. It printed out all the information from the database on the screen without any codebehind. But when I put in the code behind Repeater1.DataBind(); it then started to work.
I don't know why, but hey it's solved. It now successfully passes the value through. I imagine it has something to do with the page lifecycle.
I have a user control in asp.net that i need to dynmically set properties for. The propety and property values are in a dictionary, for example:
Dictionary<string, string> propertyValues;
Control c = Page.LoadControl("~/Control.ascx")
I can currently set the properties on the control using reflection, however, with .net 4 and the new dynamic keyword, is there an easier way to do it, for example, something like this:
dynamic c = Page.LoadControl("~/control.ascx");
foreach(var itemin propertyValues)
{
c.item.key = item.value;
}
this obviously doesnt work because item.key is a string and not a property.
I have developped a usercontrol, but I can't seem to find how to databind on a property of the usercontrol in a detailsview.The property is defined this way:
<Bindable(True, BindingDirection.TwoWay)>
Public Property Value As String
Get[code].....
I have build a usercontrol in asp.net, and there is a property like the following.
Everything works fine when the bound value is an integer. However, if the bound field return a null from database, it will return a invalid cast error.
change to a nullable int is not desirable because it changes the how programmer work with the control's property in code-behind.
[code]....
this is about ASP.NET, ViewState, UserControls and loosing the values of my properties. It is an classic question by know, I know, and even though I have searched here and on Google for a resolution to this problem, I havent succeeded. On the contrary, the more I test different things, the less I understand it seems.
On top of this I am using ext.net and their so called DirectMethod's but I dont think that has much to do with this problem. There are numerous questions I have and I hope that this text will be fairly readable and understandable =)
The UserControl
I have a UserControl, Customers.ascx, that contains some Properties. The "most" important is *_CustomerId*. The _CustomerId is set in code-behind, in ext.net's "DirectMethod" like this (code below from the Page Customers.aspx):
[code]....
I just started learning silverlight by creating a silverlight application in Visual Web Developer 2008. I have a public property defined in the user control. How do I access this property value in the aspx codebehind page?
View 2 RepliesI have a function that Localize the text of my control.
// code behind
lblName.Text = Localization.GetLocalValue( "Updated" , this.Path );
and I know that i can call a function inside ascx file.
// ascx file
Text='<%#Global.Convert( (DateTime)(Eval("CreatedDate")) %>'
How can i Get Path Property in ascx file To call GetLocalValue ?
I am trying to bind a string that contains the ClientID of one user control to the property of another control within a GridView template column. I get the error 'lblVar02' is not declared. It may be inaccessible due to its protection level. How do I do this?
<uc:CriteriaType id="ctVar02" runat="server"
OnClientChange="<%# "toggle('" & lblVar02.ClientID & "');" %>"></uc:CriteriaType>
<uc:Label ID="lblVar02" runat="server" />
I have a custom control in an aspx page that has a property named Size
public int Size
{
get { return Convert.ToInt32(ViewState["CreativeSize"]); }
set { ViewState["CreativeSize"] = value; }
}
This property is set in the aspx page to a value lets say 500 during a postback called by a Button control that is in the page (not in the custom control).
I also have a button inside the custom control that raises a postback like this
protected void btnUpload_Click(object sender, EventArgs e)
{
if (fuBannerfile.HasFile)
if (fuBannerfile.FileContent.Length / 1024 > this.Size)
;//code here not important
}
When this event is called the "this.Size" property is 0. I also noticed during debugging that during Page_Load of the page, if i access the property like this:
int size = customControlId.Size;
the property is set to 500. But after that when the debugger reaches the event inside the control the property is 0.
I am building a usercontrol which can display data with many flags. I would like to be able to able to declare it this way, or something similar to that from the asp.net page
<ctl:DisplayItem runat="server" id="ctlTest">
<flags>
<flagIsAvailable />
[code]...
I've created a UserControl with the following public property:
[Browsable(true)]
public string Text
{
get { return pnlLookupTable.GroupingText; }
set { pnlLookupTable.GroupingText = value; }
}
pnlLookupTable is, as you may have guessed, a Panel control. I can change the value of the Text property in the Properties window and it's reflected in the markup like it should be. However, the design view of the UserControl inside a page does not show updated GroupingText for the Panel. How can I get this to happen?
EDIT:
By request, here is the entire class to which that property belongs. You can see there's nothing special going on:
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
[Code]....
And here's the relevant part of the .ascx file:
<%@ Control Language="C#" AutoEventWireup="true" CodeFile="LookupTable.ascx.cs" Inherits="LookupTable" %>
<asp:Panel ID="pnlLookupTable" runat="server" GroupingText="Lookup Table">
<%-- Irrelevant content here. --%>
</asp:Panel>
I have changed some identifiers and other trivial things to protect the proprietary nature of the code.
I should also reiterate that I'm looking at a Web form in design mode that has my control added, and I'm changing the Text property. I want to see the change to the Panel's GroupingText visually in the designer.
How could i set compulsory property of a user control to be set when user adds user control to form.
View 1 RepliesI created a UserControl and added a public DateTime property. I want to set this property in Markup (ie. <cc1:MyControl runat="server" id="MyControl1" DateTimeProp="1/1/2010" /> ) however I live in a place with a dd/mm/yyyy date format so it complains if I set something like "20/1/2010". Is there a way to set markup in my local datetime format or do I have to conform to "mm/dd/yyyy"?
View 2 RepliesHow can I create a UserControl with a collection-type property which has a collection editor?
I've a CompositeControl with an ArrayList-type property which has CollectionEditor-type designer. You can see this property on Properties window with a "..." button which launches a collection editor. This works fine and all but I want to apply the same to a UserControl and I've couldn't manage to pull it off so far. I've done the same thing what I've done with my CompositeControl but the property either doesn't even show on Properties window of the UserControl or shows as a single value property with no "..." editor button.
This is what I've done with CompositeControl:
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The DetailsView control has in its
Events an
ItemCommand event that uses the
DetailsViewCommandEventArgs event arg class which has a
CommandName property.
My questions are...
What are the possible values (e.g. "Select", "Insert", etc.) for this CommandName property when operating a standard, uncustomized DetailsView control?
Which order do the following fire in?
ItemCommand
ItemCreated
ItemDeleted
ItemDeleting
ItemInserted
ItemInserting
ItemUpdated
ItemUpdating
The "ing" events are currently being intercepted so that if the user doesn't have permission I set the e.Cancel = true and the "ed" events have redirects to send the user back to a list page that shows the items they just added/updated/deleted. However, I am not able to capture the Cancel button on the DetailsView control since there's no event for it. What I want is to redirect the user back to the list page if they click on Cancel as well.
I want to access linkbutton at rowcommand event which is in footer and without commandname.
Actually i have a linkbutton in empty data templates footer template. At the rowcommand name of this linkbutton i want to access other linkbutton to change its commandname.
the structure is like this:
Grivdivew
ItemTemplate
PlaceHolder
/ItemTemplate
/Gridview
And then I try to add some dynamic controls into the placehold control from code behind, I use the RowDataBound Event
Private Sub GridView1_RowDataBound(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.GridViewRowEventArgs) Handles GridView1.RowDataBound
Dim ph As PlaceHolder = CType(e.Row.Cells(1).FindControl("PlaceHolder"), PlaceHolder)[code]....
The problem is the button CommandName is not functioning. And more strangely, if I add the button manually into the placeholder, like this:
Grivdivew
ItemTemplate
PlaceHolder[code]....
I have a GridView with a couple of buttons (asp:Button) in it (last row). Both of them have a CommandName attribute on them and this is handled server side in a grid_RowCommand event handler. Now, this works fine. However, I need to add client side code (Javascript/jQuery) to disable the two buttons when someone clicks on or the other. This is to prevent the user from double-clicking and creating potential havoc.
The way I have done this is by adding OnClientClick on both buttons which calls a javascript function that uses jQuery to disable the two buttons. This works fine, it's just that the page doesn't post back and so the RowCommand event handler never fires.
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