Let's say I wanted to create a user control from a raw string rather than a .ascx file, how would I do that? Temp files are not an option. Is this even possible? I can't find anything online about this.
Bonus: How would I do this with the new razor engine?
I am trying to create a user control in an ASP.NET MVC project. I basically have some formatted data that I want to put inside a repeater. In standard ASP.NET, I would populate the control something like this:
<asp:Repeater ID="MyRepeater" runat="server"
DataSourceID="SQLDataSource" DataMember="DefaultView">
<ItemTemplate>
<uc1:Control ID = "MyControl" runat="server"
Field1='<%#Eval("["Field1"]") %>' Field2='<%#Eval("["Field2"]") %>' />
</ItemTemplate>
</asp:Repeater>
And the control would have corresponding properties in the codefile. However, in MVC, I don't get a codefile as standard. I found this question that describes how to add one, but then wondered if there is a better way of doing this in MVC (I couldn't find any decent articles that said the recommended way).
My ultimate goal is to create a UserControl in a class in my App_Code folder and render the html from that into a string.
The rending of HTML can be done using this example I believe:
How do I get the HTML output of a UserControl in .NET (C#)?
My Question:
I created my user control
public partial class Controls_MyUserControl : System.Web.UI.UserControl
I've registered it in my web.config
<add tagPrefix="UC" src="~/Controls/MyUserControl.ascx" tagName="MyUserControl" />
I can reference this on a page just fine
<UC:MyUserControl ID="MyUserControl1" runat="server" />
Yet when I try to create an object of this control type in a class (in my app_code folder) it doesn't allow me.
Controls_MyUserControl dummy = new Controls_MyUserControl();
The potentially strange thing is when I put this code into a code behind of a page, it works.
what I need to do to have the usercontrol to be able to be created in my class in the app_code folder?
My guess is, is that I need to reference the control in a "using" statement at the top, but I'm not sure what that'd be.
It's not in a namespace to my knowledge (at least there's no namespace, in the code behind of the actually user controls). Though I'm not sure if it inherits one from the System.Web.UI.UserControl.
I am using Visual Studio 2008 with .Net 2.0
I am maintaining and old application in ASP.Net and it has one CustomGridView control with 4000 lines of code. I see that in that file only, when I try to modify any code the IDE does not respond quickly as it does for other files. I thought of creating partial classes for the same but it seems that VS is not reconginzing the new partial class. I am trying to use the variables from the old partial class and it is not able to reconize any variable or method.
I have a UserControl that I need to add dynamically. I tried to follow this MSDN article, but I'm not having any success....[URL]
The UserControl is basically an image gallery, and it loads some pictures based on an ID. My idea was to make this ID available as a property. Then when I create an instance of the control, I could set this ID and add it to the form.
I added a reference to the control in the .aspx page that will use it, like this:
<%@ Reference Control="~/PictureGallery.ascx" %>
And in the UserControl I added a ClassName like this:
<%@ Control Language="C#" AutoEventWireup="true" CodeFile="PictureGallery.ascx.cs"
Inherits="PictureGallery" ClassName="PictureGallery" %>
When I try to create an instance in the .aspx.cs like the article suggests, Dim gallery As ASP.PictureGallery, I get an "Type ASP.PictureGallery is not defined".
The article mentions a namespace, ASP, and I tried importing it to the .aspx.cs with no luck. So, I'm not able to get a reference to the UserControl.
I though my error was from grid view but I realized it was from the tab container. So I did a bit more research. I wrote a small project and created a usercontrol with tabs in it and I wrote this there -
view plaincopy to clipboardprint?
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 a ASP.Net page (Default.aspx) which will load UserControl (ucontrol.ascx) dynamically into an UpdatePanel. By using UpdatePanel, we believe we're able to prevent the entire page to be posted-back.
My problem is, within the UserControl, we have some form controls, such as inputs and buttons; after the UserControl is loaded, clicking on any button inside the UserControl will cause the UpdatePanel to be blanked. During the investigation, I found that, breakpoints within the Button1_Click() in the code-behind for the UserControl is never reached. Please reference to the code below, this references to [REFERENCE]1.
[code]....
This is page load
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{ [code]...
But in my ascx.cs when IButton1_Click is trigered My name is null
private string _sname;
protected void Page_Load(object sender, EventArgs e)
{ [code]...
I have a page with an UpdatePanel with a UserControl in it. That UserControl contains a GridView with a nested UserControl that seems to disappear when the parent UserControl is rebound. I cannot for the life of me figure out why the child UserControl disappears. The code works beautifully on the first load, but any partial postback causes the "Pick" UserControl to disappear.
[Code]....
im creating site with usercontrols. I have repeater, inside it is another repeater with usercontrol. My problem is passing BindedValue to usercontrol.Bindings works fine and binds the value i need but it cannot pass the value to usercontrol. When i type it manually it works, when i bind it, it passes null (!).I've tried get,set, functions (ondatabound, onload, oninit), accessing control from code with no luck. Ive read and tried to do all the google solutions but with no luck. (even with creating usercontrol inheritance)
View 5 RepliesThere are 2 UserControls UC1 and UC2, and there is one more class C. I want to share the same instance of c in both UserControls. I know that this can be possible with properties in both UC's and by registering UC2 in UC1 or vice versa. But I want the solution to be loosely coupled. Any best possible way without touching the Actual Page (which hosts UC's)? So i need some best possible way between UCs transfering C.
View 5 RepliesI have MainLayout.master that has UC_Menu.ascx on it.
I have a page named Customer.aspx that uses MainLayout.master. Customer.aspx also contains a UserControl named UC_Details.ascx.
How can I have UC_Menu.ascx call a function that is in UC_Details.ascx with this scenario?
I've seen a few similar examples, but none that match this type of layout.
I am a little bit of confused here. I translated resx files to lots of languages, and I am looking for the best way to allow user to select it's language.I think that maybe a country selection would be better then a language selection. what do you think?I have a .resx file translation of about 100 languages. What is missing now is an easy to use DropDownList with flags (auto population according to the resx files)I am looking for an easy way to associate the DropDownlList.SelectedIndex to the CultureInfo property, so user will be able select the corect language.Since this is a common use, Is there a ready to use control doing so?
View 2 RepliesI have a UserControl, which contains another UserControl with Button. I want to add an event to that button in first UserControl (parent). I tried to do:
void Page_Init()
{
var btn = ChildControl.FindControl("SearchButton") as Button;
btn.Click += new EventHandler(this.SearchButton_Click);
}
but btn is null. How can I do that ?
I have 2 usercontrol in my .aspx page.
usercontorl1:
<asp:textbox id="txt" runat="server"></asp:textbox>
<asp:button id="btn" runat="server" text="send" />
usercontrol2:
Here I have gridview control with checkbox for selection of one or two records. Have one button and when clicking this , i need to get the selected records values and assign this values to the textbox which is in usercontrol1.
I am using the code below (simplified for this example) to post data to a SharePoint list
StringBuilder customerDoc = new StringBuilder();
customerDoc.Append("<Method ID='1' Cmd='New'>");
customerDoc.Append("<Field Name='Name'>" + Name + "</Field>");
customerDoc.Append("<Field Name='Age'>" + age + "</Field>");
customerDoc.Append("<Field Name='City'>" + city + "</Field>");
customerDoc.Append("<Field Name='Country'>" + country + "</Field>");
customerDoc.Append("</Method>");
XmlDocument xDoc = new XmlDocument();
XmlElement xBatch = xDoc.CreateElement("Batch");
xBatch.SetAttribute("OnError", "Continue");
xBatch.InnerXml = sb_method.ToString();
XmlNode xn_return = sharePoint.listsObj.UpdateListItems(ConfigurationManager.AppSettings["SaveCustomer"].ToString(), xBatch);
As you can see I am using a stringbuilder which isn't ideal so I wonder what I should use instead to create an XML string?
How would I create a type while knowing just the name of the type in string form example...
My aspx contains this and some bindable control
<asp:EntityDataSource ID="EntityDataSource1" runat="server"
ConnectionString="name=MyEntities" DefaultContainerName="MyEntities"
EntitySetName="MyData">
</asp:EntityDataSource>
Now from code I need to be able to create an instance of EntitySetName="MyData". Keep in mind I will not know these names until runtime tho. I can do EntityDataSource1.EntitySetName and this gives me the name in string form. But now I need to create and instance of it and get access to the members so I can manipulate the data. I have been trying Activator.CreateInstance and used various overloaded versions of it. Bottom line tho is I am not seeing how to do this. I keep running into trying to cast something into a type when all I have is the name of the type.
Is there any ways to create our own RouteData from a URL string in asp.net mvc?
for example I have a URL string like this.
Url: http://localhost/supports/online chat?operator=A
From RouteData, I can find what is controller and action name.
but I have no idea to put it in RouteData.
I have a few classes: SomeClass1, SomeClass2.
How can I create a new instance of one of these classes by using the class name from a string?
Normally, I would do:
var someClass1 = new SomeClass1();
How can I create this instance from the following:
var className = "SomeClass1";
I am assuming I should use Type.GetType() or something
I am sending a request to a web service which requires a string containing XML, of which I have been giving an XSD.
I've ran xsd.exe and created a class based on this but am unsure of the best way to create the xml string to send, for example a stream, XMLDocument or some form of serialization.
UPDATE
I found this here
public static string XmlSerialize(object o)
{
using (var stringWriter = new StringWriter())
{
var settings = new XmlWriterSettings
[Code]....
which lets me control the tag attribute.
I want to loop through my datatable column called SDESCR and created a string that looks like this.
Dim labels As String() = {"North", "South", "East", "West", "Up", "Down"}
this is what i am trying and it is not working
Dim labels As String()
For Each row As DataRow In tablegraph.Rows
labels = labels " ' " + row.Item("SDESCR") + " ',"
Next row
I'm using Json.NET and I'm trying to create a JSON string representing a row from a database table to return in an HTTP response. I'm not sure how to do this while I'm reading from the database.The problem is marked by the obnoxious comments /******** ********/
// connect to DB
theSqlConnection.Open(); // open the connection
SqlDataReader reader = sqlCommand.ExecuteReader();
[code]...
I am currently trying to find a way to convert a string into an asp.net server control.I am storing the asp.net code of Custom Web User Controls in a database and I'm hoping to retrieve this code, convert it to a control and then render the control to the page.The code stored in the database will be asp.net code, not html code. i.e. <asp:Label ID='lbl' runat='server' />
View 3 RepliesI am interested to know how to create a 12 character UINQUE string.I know how to use "Guid" strucs but as you know, it is too long and make my url ugly.(It is going to be used as a query in url).
View 3 Replies
