AJAX :: Get The Name Of A Dropdownlist With CascadingDropDown?
Jun 17, 2010
I use the CascadingDropDown to fill several DropDownList in my web to manage different application access rights
I use the Ajax CascadingDropDown component for that.
My problem is that, depending on the application, the selections criterias of the values in my database will be different.
I would like to know if there is a way to get or to identify the name or the ID of the dropdownlist which execute the CascadingDropdown class in the .asmx part (in the "public CascadingDropDownNameValue[] GetApplication1(...)" class ) ??
The name of the DropDownList give me the code of the application manage use to select my data in my SQL query
I don't want to write several query for each dropdownlist like :
public CascadingDropDownNameValue[] GetApplication1(...), public CascadingDropDownNameValue[] GetApplication2(...) etc ...
as they will be create automatically at the loading of the page.
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Mar 16, 2010
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Feb 25, 2010
I have DropDownList with CascadingDropDown extender.
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May 7, 2015
I used below code to set default value for DDL
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<cc1:CascadingDropDown ID="CDLdistrict" TargetControlID="DDLDO" PromptText="All"
PromptValue="" ServicePath="../ServiceCS.asmx" ServiceMethod="GetDistrict" runat="server"
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Dec 21, 2013
Regarding this example: [URL] .... it works locally, within VS 2012.
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Nov 2, 2010
I have have 2 DropDownList controls with CascadingDropDown
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//client
<asp:DropDownList ID="ddlAjaxManufacturer" runat="server">
</asp:DropDownList>
<ajaxToolkit:CascadingDropDown ID="CascadingDropDownManufacturer" runat="server"
TargetControlID="ddlAjaxManufacturer" Category="Make" PromptText="....." ServicePath="../../Ajax.asmx"
ServiceMethod="GetMakes" />
<asp:DropDownList BackColor="white" ID="ddlAjaxModel" runat="server">
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<ajaxToolkit:CascadingDropDown ID="CascadingDropDownModel" runat="server" TargetControlID="ddlAjaxModel"
ParentControlID="ddlAjaxManufacturer" PromptText="....." ServiceMethod="GetModelsForMake"
ServicePath="../../Ajax.asmx" Category="Model" />
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ddlAjaxManufacturer.Items.Add(new ListItem("...", "", true));
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ddlAjaxManufacturer.Items.Add(new ListItem("22", "bmw", true));
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Jan 31, 2010
I have a request:((( Now I can use the TextBox auto-complete but my problem that i use (Key/Value) mean that I should display for example the country name and use the country iso code in the code behind.... so how can I do that by using ajax (TextBox or DropDownList)
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Feb 2, 2010
Can I Use CascadingDropDown without WebService?
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Nov 23, 2010
Is it possible to add a new item to cascadingdropdown? I tried ddl_master.Items.Insert(0, "3"), but it doesn't show up. When I view the source in the browser it's there.
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<ajaxToolkit:CascadingDropDown ID="cdd_master" runat="server" Category="Action"
[code]...
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Mar 19, 2010
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Jul 1, 2010
I've implemented a cascadingdropdown solution using the demo video here on ASP.NET.
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Jan 27, 2011
I'm using a CascadingDropDown in my page and I need to do the following things :
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I am a total noob in webservices and javascript so I would like to do this in the codebehind but when I try to get the items of my dropdown, the only one returned is the one that is selected on the client side.
Is there a way to get the full list from the codebehind?
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Mar 2, 2011
I already used the search, but without success.
I want to use a CascadingDropdown inside an Accordion.
The ParentControlID for the CascadingDropdown is in pane1 and the CascadingDropdown in pane2, but it won't work.
When I put them both into one pane it works. But separated into two panes it doesn't work.
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Nov 9, 2010
I have two sets of cascading drop down lists they are contained in a detailsview <edititemtemplate>. The problem is that when the user clicks update; the original data is wiped out and the user has to redo the selection of all items contained in a cascading dropdown even if the user didn't want to change that particular aspect of a record. If the user doesn't select everything an error is thrown by the stored procedure in regrds to null values not being valid.
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May 19, 2010
I have big problem with the CascadingDropDown. I have 60 CDD with one "Child". So on the page are 60 Parents and 60 Childs. When i use FF3.5 everything works fine when he is the only Browser which is connected to IIS
When i use FF3.0 i get Methode ERROR 403 and 500
When i use IE6 i get Methode ERROR 12030 or 403 or 500
When i use Google Chrome no ERROR no content in the List!?
When i use IE8 sometime it works sometime not!?
This errors are not shown on every DropDownList (but on most of them!) I played with the "<jsonSerialization maxJsonLength="50000000" />" in the Web.config which seams to make it work a little bit better.
What can i do to get the CDD working?
I think it is a timing problem. The CDD are not filled in the order i placed them on the page. Local it works better then remote.
Can you help me?
This is my WebService:
[Code]...
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Jun 13, 2010
I have the method 500 error problem, I have tried to do a simple reproduction of the problem still the same, if I run the webservice [URL] it returns the values needed ok (5) in xml format, but the dropdown always return error 500 inside, here are the codes (Using VS2008, NF3.5, Windows 7), I have the whole day trying to solve this but I just can't:
[Code]....
[Code]....
[Code]....
[Code]....
'WEBCONFIG
[Code]....
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Aug 19, 2010
I am trying to populate 3 dropdown lists with using CascadingDropDown. DDLs shows make, model and color respectively. The last DDL is having AutoPostBack = true and I am trying to display the values from dropdown in one label control. I am pulling data from a webservice to populate DDLs. I am not getting any error while compiling but when I run the code it shows Error 500. I am not sure where I am going wrong. I am following the tutorial video of 'How Do I' -
[URL]
I am using C# and .Net framework 2.0. Web Service code looks like this
[Code]....
And Web Page Default.aspx looks like this -
[Code]....
I don't understand where i am getting wrong.
[WebService(Namespace = "[URL]/")]
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Dec 26, 2010
I downlaoded the sample code accompanying the "Cascading Drop Down Control to Access a Database" AJAX Toolkit video, and added the datasets from the sample code to my application running in VS2008 and AJAX 3.5. I think the sample code is in a prior version of AJAX.
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<asp:ScriptManager ID="ScriptManager1" runat="server">
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Feb 4, 2011
how can i keep a cascadingdropdown value after a user do a postback ?
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Jul 21, 2010
I have a user input form with a cascading dropdown. The code is:
[Code]....
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Jan 18, 2011
I have taken 3 drop down controls and extends cascadingdropdown control to them. They work finely and show values properly. But, I want to store these valuse in sql database. I tried as we do for dropdownlist by using DropdownList1.selectedItem.ToString().
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I have a CascadingDropDown on an ASP.NET page. Now, the prompt text is "Select State". (list of states). However, on a different version of this page (ie querystring), i might want to set the selected index to "California" for example. How can i do this? The web service used by the ajax control (ie GetStates) gets invoked at the same time the jquery document.ready function is triggered (ie asynchronously).
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Nov 19, 2010
I am using the AJAX Contol Toolkit and 4 CascadingDropDown extenders with an ODBC connection in a Web Service. The original load of values in each level works great. I then use these values to set the create the SQL for the SelectCommand for a Gridview.
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The correct values are available for the SelectCommand which returns the correct values.
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