AJAX :: Cascading Dropdown In Firefox?
Apr 8, 2010I have a user control in which i have implemented Cascading dropdown. It works perfectly fine in IE but doesnt in Firefox. I am using webservice to get my data for the dropdowns.
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Jul 6, 2010 i havce this web service
[Code]....
and this aspx page
[Code]....
perhaps i followed this example here
http://programming.top54u.com/post/AJAX-Cascading-Dropdown-Example-using-SQL-Database.aspx
it return an error that
System.InvalidCastException: unable to cast di object of 'AjaxControlToolkit.CascadingDropDown' on tye 'System.Web.UI.WebControls.DropDownList'.
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this is my aspx page,
[code]....
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Mar 15, 2010[Code]....
Dont go away by looking a difficult probem.
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Jan 18, 2011I have been trying to make a cascading drpdown using ajax using this link [URL] But m nt getting a clear picture abt it.. I have a table 'car' with fields of 'id','make','model','color'. I have 2 dropdowns on my form for make & model.I want to populate the model dropdown using the make dropdown but without postback.Till nw I have tried this :-
using System;
using System.Web;
using System.Collections;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.Web.Services;
using System.Web.Services.Protocols;
using AjaxControlToolkit;
using System.Data;
using System.Data.SqlClient;
using System.Configuration;
//using System.Web.Script.Services.ScriptService;.............................
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May 7, 2015<asp:DropDownList ID="ddlModuleName" runat="server" ClientIDMode="Static">
</asp:DropDownList>
<cc1:CascadingDropDown ID="cdlModule" TargetControlID="ddlModuleName" PromptText="Select Module" PromptValue="0" ServicePath="~/controls/WebService.asmx" ServiceMethod="GetModules" runat="server" Category="ModuleID" LoadingText="Loading..." />
I am binding the dropdownlist by using ajax cascading drop down now i need to preselect the dropdown value in code behind page in page load (for update operation) is it possible
AJAX :: Ajax Cascading Dropdown Control Not Working On IIS After Deploying?
Jan 12, 2011I am new to Ajax Control Toolkit, with the help of online tutorials I had created a cascading dropdown list in asp.net and tested it on my local machine. For this dropdown list data source would be an xml file (which is saved on my local machine c drive). I haven't encountered any issues until I deploy the precompiled web site on to IIS 7. When I open the web site from IIS I would see the two dropdown boxes on the web page with an error "Method error 500". I believe this error occured due to incorrect xml file
path provided on IIS. I had copied xml and xsd files into IIS server C drive but it did not help out and then I created a network map and placed the xml and xsd files in that shared folder tried to access that path from web service, it's working on local machine but not on IIS. It would be great, if any one could explain me the solution.
Following is the .aspx and .asmx code:
.aspx code:
<form id="form1" runat="server"> <div> <asp:ToolkitScriptManager ID="ToolkitScriptManager1" runat="server"> </asp:ToolkitScriptManager> <br /> <table> <tr> <td> <asp:DropDownList ID="DropDownList1" runat="server"
Height="20px" Width="257px"> </asp:DropDownList> <asp:CascadingDropDown ID="CascadingDropDown1" runat="server" Category="Category" TargetControlID="DropDownList1" PromptText="[select category]" ServicePath="~/WebService.asmx" ServiceMethod="GetCategory"> </asp:CascadingDropDown>
<br /> </td> </tr> <tr> <td> <asp:DropDownList ID="DropDownList2" runat="server" Height="20px" Width="257px"> </asp:DropDownList> <asp:CascadingDropDown ID="CascadingDropDown2" runat="server" Category="Type" TargetControlID="DropDownList2" PromptText="Select
Type]" LoadingText="Loading Type.." ParentControlID="DropDownList1" ServicePath="~/WebService.asmx" ServiceMethod="GetType"> </asp:CascadingDropDown> <br /> </td> </tr> </table> </div> </form>
.asmx code(.cs code):
[WebMethod]
public AjaxControlToolkit.CascadingDropDownNameValue[] GetCategory(string knownCategoryValues, string category)
{
XmlDocument _doc = new XmlDocument();
_doc.Load(HttpContext.Current.Server.MapPath("~/C:/ItSupportCategory.xml"));
XmlNodeList list = _doc.SelectNodes("/CategoryList/Category");
List<CascadingDropDownNameValue> categorylist = new List<CascadingDropDownNameValue>();
foreach (XmlNode node in list)
{
string catid = node.Attributes["value"].Value.ToString();
string catname = node.Attributes["name"].Value.ToString();
categorylist.Add( new CascadingDropDownNameValue(catname,catid));
}
return categorylist.ToArray();
}
[WebMethod]
public AjaxControlToolkit.CascadingDropDownNameValue[] GetType(string knownCategoryValues, string category)
{
int catID;
StringDictionary selectedvalue = AjaxControlToolkit.CascadingDropDown.ParseKnownCategoryValuesString(knownCategoryValues);
catID = Convert.ToInt32(selectedvalue["category"]);
List<AjaxControlToolkit.CascadingDropDownNameValue> cascadingValues = new List<AjaxControlToolkit.CascadingDropDownNameValue>();
XmlDocument _doc = new XmlDocument();
_doc.Load(HttpContext.Current.Server.MapPath("~/C:/ItSupportCategory.xml"));
XmlElement root = (XmlElement)_doc.SelectSingleNode("/CategoryList/Category[@value='" + catID + "']");
for (int i = 0; i < root.ChildNodes.Count; i++)
{
string typeid = root.ChildNodes[i].Attributes["value"].Value.ToString();
string typename = root.ChildNodes[i].Attributes["name"].Value.ToString();
cascadingValues.Add(new CascadingDropDownNameValue(typename, typeid));
}
return cascadingValues.ToArray();
}
Xml File:
<?xml version="1.0"?>
<CategoryList xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="test.xsd">
<Category value ="1" name="SYSTEM WIDE">
<Type value ="1" name="Email"/>
<Type value="2" name="SAP Locked"/>
<Type value="3" name="Job Archive Full" />
</Category>
<Category value="2" name="SAP">
<Type value="3" name="Pricing Incorrect"/>
<Type value="5" name="New Item #"/>
<Type value="6" name="Reports"/>
<Type value="7" name="New User Setup"/>
</Category>
<Category value="3" name="OTHER">
<Type value="8" name="Production"/>
<Type value="9" name="Office"/>
<Type value="10" name="Toner for Printer"/>
<Type value="11" name="Security Camre Lookup"/>
</Category>
</CategoryList>
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[Code]....
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View 8 RepliesAJAX :: Set Selected Value Cascading Dropdown From The Code Behind
May 24, 2010Bit of a strange request but is it possible to set the selected value of a cascading dropdown in code? I have 2 dropdowns, the second is populated using the value of the first. Heres my markup:
<asp:DropDownList ID="ddlApplication" runat="server" CssClass="form"></asp:DropDownList>
<ajaxToolkit:CascadingDropDown
ID="cddApplication"
runat="server"
TargetControlID="ddlApplication"
Category="Application"
PromptText="[select an application]"
ServicePath="webservices/Application.asmx"
ServiceMethod="GetUserApplications" />
<asp:DropDownList ID="ddlDelegate" runat="server" CssClass="form" />
<ajaxToolkit:CascadingDropDown
ID="cddApplicationUser"
runat="server"
TargetControlID="ddlDelegate"
ParentControlID="ddlApplication"
Category="ApplicationRole"
PromptText="[select a user]"
ServicePath="webservices/ApplicationRole.asmx"
ServiceMethod="GetApplicationUsers" />
Basically I want to set the selected value of ddlApplication, then populate the ddlDelegate, then I want to set the selected value of ddlDelegate.
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AJAX :: Cascading Dropdown Selected Value Not Working?
Feb 9, 2011I have a web form where I have three dropdowns for Country State And City and there corresponding
ajaxToolkit:CascadingDropDowns.
The dropdowns are working perfectly fine with the web service methods. i.e country loading initially and then State as per selected Country and City as per the selected City.
The problem occurs when I try to set selected values in these dropdowns as per the Values previously saved.
The Country loads properly and the selected value is set according.
The State is filled as per the selected country but its selected value is not set.
The City is not loaded at all (as the state doesn't have a selected value)
The Code is as Follows:
[Code]....
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The areas where I'm having difficulty are:
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So in this little section I have :
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Thoughts?