C# - Enumerate Keys In In A System.Collections.Generic.Dictionary<string,string>?
Jan 26, 2011
At debug time I would like to see what are the keys in my InitParams collection - I can't seem to be able to list them.
EDIT:As Jon suggests below, this might be a bug within the Silverlight debugger. To reproduce, just create a new Silverlight Application within Visual Studio 2010 and just edit code
{
public partial class MainPage : UserControl
{ [code]...
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May 2, 2010
Calling Index view is giving me this very very annoying error . Can anybody tell me what to do about it
Error:The model item passed into the dictionary is of type 'System.Collections.Generic.List1[MvcApplication13.Models.Groups]', but this dictionary requires a model item of type 'MvcApplication13.Helpers.PaginatedList1[MvcApplication13.Models.Groups]'.
public ActionResult Index(int? page)
{
const int pageSize = 10; [code].....
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Nov 25, 2010
I'm trying to create a control out of a class I found, and one of the overridden functions is the following:
protected override void PerformDataBinding(IEnumerable data)
However, when I try to build the control I'm getting the error as shown in the subject. I've tried searching, and it seems the signature for the original function matches the one I have, and all other solutions I've seen uses the same signature.
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Mar 10, 2010
I dont know what I have done but my add blog or news item functionality is broken. It works fine locally but not on the server (.net 3.5 mvc 2 I believe).
[Code]....
The interesting thing is the path P:Web_DevelopmentAHNDEVControllersAdministratorController.vb. This is my local path on my machine but not the
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Feb 26, 2011
public class Package
{
public Package()
{
name = "";
type = new List<Dictionary<string, string>>();
}
public string name { get; set; }
public List<Dictionary<string, string>> type { get; set; }
}
[code]...
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Mar 25, 2011
I get this error when run the page
DataBinding: 'System.Int32' does not contain a property with the name 'item'.
protected void Page_Load(object sender, EventArgs e)
{
List<int> item = new List<int>();
{
item.Add(25);
item.Add(50);
item.Add(520);
item.Add(543);
item.Add(543);
item.Add(55);
};
GridView1.DataSource = item;
GridView1.DataBind();
}
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="false" ShowFooter="true">
<Columns>
<asp:TemplateField HeaderText="Sub total">
<ItemTemplate>
<asp:Label ID="subTotalLabel" runat="server" Text='<%#Eval("item")%>' />
</ItemTemplate>
<FooterTemplate>
<asp:Label ID="grandTotalLabel" runat="server" />
</FooterTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
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Apr 29, 2010
I need to load an XML document into my Dictionary<string,string> object.XML looks like:
<nodes>
<node id="123">
<text>text goes here</text>
</node>
</nodes>
How can I do this using XmlDocument?I want readability over performance, and I find XmlReader to be hard to read b/c you have to keep checking the node type.
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Dec 24, 2010
I have two sub routines that I've created to pull in my Membership user roles and assign the value/name of that role to the value of a cookie.
My first subroutine looks like this
[Code]....
At this point, role ID is a 1-dimentional array which is not acceptable for a cookie's value (it must be a string), but in Debug mode, I can see that the array does contain the correct roleID value. In my 2nd subroutine I change the value from array to string for no other reason than that it gives me an opportunity to see that the value of CookieValue() before it is converted does have the correct roleID.
[Code]....
Even though it still shows that string as having the correct value, it returns the object "System.String[]"
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Mar 4, 2010
I tried so much working with this to get distinct Words and their count. I'm using ASP.NET 2.0. And i also googled so much.
1)Ex(String): The DOTNET is Very Cool! The Best.
2) Capture all the sequences like Space, FullStop, Question Mark, Exclamation, Apostrophe, New Line....(May be with RegEx?)
3)Split Words According to the above sequences
4)Get Distinct Words(Occurences) and their count based on the input string in 1st statement.
Desired O/P:
The - 2
DOTNET - 1
Is - 1
Very - 1
Cool - 1
Best - 1
This is my Sample Code for your Ref.
[Code]....
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Apr 20, 2010
I have a ASP.NET (C#) web page in which I want to enumerate a dictionary in a code render block:
<% foreach (Dictionary<string, string> record in parsedData) { %>
<div>...Some HTML Code...</div>
<% } %>
But I get an error like:
Compiler Error Message: CS0246: The type or namespace name 'Dictionary' could not be found (are you missing a using directive or an assembly reference?)
How do I import System.Collections.Generic into the page itself? Here is my page directive:
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="MyCSharpClass.aspx.cs" Inherits="_MyCSharpClass" %>
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Nov 23, 2010
I have declared a simple class
[Code]....
And Pass some values to it :
[Code]....
Then I use Linq to select rows :
[Code]....
How I can enumerate it?! I used this, but it has error
[Code]....
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Nov 14, 2010
I have a dictionary, for example Dictionary<int, string>.What would be the best way to get the string value if I know the key?
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Aug 4, 2010
The coding language is C#3.0What is the most optimum method to retrieve all hashtable keys into string separated by a delimiter ","Is the for loop or the foreach loop the only option?
Update: the keys are already strings
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Aug 16, 2010
can i add string builder object to a dictionary object? If yes code it. I mean i have a dictionary in which i have already added a few (string, objects), and i have a string Builder which has few variable already added now i want that instead of passing 2 different object in a method i want to pass only one object so can i add string builder object to same method as well
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May 21, 2010
DataContractJsonSerializer this is nice class added in the .net framework which can be used to serialize/desirealize object into JSON.
Now following is the example i am trying
[Serializable] class User { public string name; public string userId; }
Now following is the output generated
Output : Notice structure where only "name" is expected instead of k__BackingField
Now this is the problem after digging so much i am not sure from where <> and _BackingField is coming ?
{
"<name>k__BackingField":"test user",
"<userId>k__BackingField":100001}
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Jul 15, 2010
If a html helper takes a idictionary as a parameter, how do I use it?I tried:<%= Html.Blah( new { id = "blah" }) %>
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Sep 23, 2010
Is aspnet_regiis.exe secure? If i encrypt using aspnet_regiis.exe, will it automatically decrypt the string and wont give any error? Need an insight into this stuff.... Is Rsa the best option or wat? Wat's the best way to encrypt/decrypt programmatically?
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Mar 3, 2011
I checking to see if we have any way to return all the keys to array without using the for each loop (there is no constraint for me to use for each loop i am just looking is there any other way)
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Aug 19, 2010
How to use Generic collection and generic list effectively in a asp.net application i.e. web application.? Can we able to use Generic list in Dataset or Datatable or Datareader using to bind in Grid view?
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Apr 1, 2010
I'm trying to use a Generic list for my class but I'm getting this error "Conversion from type 'EnumerableQuery(Of VB$AnonymousType_105(Of String))' to type 'String' is not valid."
[Code]....
-imperialx
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Nov 11, 2010
I want to write a generic function which return either string or Xdocument
[Code]....
In default.aspx
XDocument doc = api.CreateJob<XDocument>("xyz");
threws the exception "Invalid cast from 'System.String' to 'System.Xml.Linq.XDocument'."
How can i do this
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Feb 25, 2011
i am trying to Bind value's to Label Using Generic List<>
[Code]....
returning all values sucessfulyy now how i Show these Values in Label
[Code]....
Label1.Text=???what it will be?
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Feb 19, 2010
I am attempting to use SqlBulkCopy to import data from an XML document. I receive the following error when executing WriteToServer: Invalid cast from 'System.String' to 'System.Guid'
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Nov 19, 2011
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Apr 9, 2010
This might sound like a stupid question, is there a way to add an item to the very top of generic dictionary instead of adding it to end?
Here is my code snippet:
[Code]....
I want to add an item of ["", ""] to the very top of dicGetCategoryId.
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