C# - DropDown To Filter Out ASCX Control?
Feb 5, 2011
I have a dropdown list on my form which should filter out or display my tag cloud for an entire project or for a specific iteration. At the moment, I don't get any errors, but the ASCX control doesn't seem to update.
<asp:DropDownList ID="filteroptions" runat="server" onselectedindexchanged="filteroptions_SelectedIndexChanged" AutoPostBack="true"></asp:DropDownList>
<asp:UpdatePanel ID="UpdateIteration" runat="server">
<ContentTemplate>
[Code]....
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Feb 5, 2011
I am using a databound dropdown list to populate a combobox with project iterations and an ascx control to display a tag cloud. I am retrieving the selectedValue of the dropdown and storing it as a session to filter out the tag cloud (for the entire project or by iteration).I am getting an error, because the default value which I have entered cannot be then converted to an integer.
[code]...
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Oct 13, 2010
i am created a user control(.ascx)
<span><asp:DropDownList ID="Drop_DocType" runat="server" DataTextField="DOCTYPE"DataValueField="DOCTYPE"/></span>
how to fill it rom database and where i put soure code
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Jul 9, 2010
I have a category and a subcategory column in a Jqgrid. I have enabled inline editing, both category and subcategory are dropdownlists columns (edittype:'select'). I need to filter the subcategory list based on the selected category. I wonder how can I acheive this functionlity? I tried the below event but its not working for me
afterEditCell: function(rowid, celname, value, iRow, iCol) {
//to do here
}
the above event doesn't get fired. my all column are editable
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Jun 11, 2010
I'm having a problem with using a dropdown to filter the contents of another drop down. The basic idea is:
Dropdown 1 = CountryList (Column1)
Dropdown 2 = StateList (Column2)
I read the contents of a CSV file and populate the gridview. The user then visually verifies that the data is valid and proceeds to upload to the database. To do some testing, i have intentionally changed spellings of country names so they DO NOT match the countrylist which the grid view then flags with a different background indicating bad data. The user then edits the gridview. The Country and state columns then show a drop down control populated with the country list and filtered states list based on countryID.
Here's the ASP.NET ASPX Source for the section of code that is dealing with the gridview
[Code]....
Here's the section of VB Code behind that deals with handling the "RowEditing", specifically the binding of the dropdowns
[Code]....
The proglem is that these dropdowns are ment to easily fix minor errors in data. When i intentionally changed the spelling of "Canada" to Canadaa", this has no corresponding CountryID in the table and the ddlEdtStateID Dropdown's datasource filter does not work. I tried setting the datasource to nothing if a valid CountryID was not there and then i tried to use the SelectedIndexChanged event for the ddlEditCountryID to programmatically set the datasourceID for ddlEditStateID but when i try using CType(FindControl("ddlEdtStateID"), DropDownList) to set the DataSourceID, it does not find the control.
If the Country does not exist, then i just want the stateslist dropdown to say "select a country" but when a valid country is selected, it should display the filtered list for that countryID. Right now, if bad data is entered for the country, then the program crashes when it tries to populate the state drop down. I want it to just say, select a country when the countryID is not valid.
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Apr 14, 2010
I am having difficulties how to construct my question, but if I have to put it simply the situation is that I have categories of products. I have an aspx with a repeater on the left that lists the categories. And I want the products to be listed on the right. Category number is variable so I made an ascx with a DataList in it. When I try to do foreach category, ascx = new ascx(); then the DataList within this ascx control is null.
ps: what I want to do is to preload all the products (thre is not much) and hide the divs and fadein fadeout them using jQuery when a category div is clicked.
rightnow it is using jQuery.load(); and I don't like how the images load, cuz they download from top to bottom. Progressive gifs alsdo not an option. site demo is here [URL]
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Feb 10, 2010
I have started learning ASP.NET. I am Trying to filter GRIDVIEW values on basis of dropdown selection.I am working trying to do this with AJAX.
When a user selects any value from the drop down..suppose an employe ID.the gridview is filled with data according to that empID.
how Can I do that.
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Oct 4, 2010
I'm trying to create a page with multiple fields to be used as parameters for filtering a GridView. I'm using a combination of two asp:dropdown lists and two check boxes. When I select a value in one ddl, I want to clear the value in the other ddl. I was trying to use the event "onTextChanged" but that doesn't seem to fire off on the client side and I cannot seem to find any event for an asp:ddl or asp:checkbox or asp:radio button that fires off on the client side.
Are there events, like onClientClick for asp:button, that fire on the client side for these controls when a selected value is changed or when the user clicks on them? or do I need to use html controls instead?
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Apr 24, 2010
I have a Gridview with a parameterized SQLdatasource. I want the Gridview to be filter when the a selection is made from the dropdown list Here is what I have. I am missing something.
<asp:SqlDataSource ID="SqlDSAlbums" runat="server"
ConnectionString="<%$ ConnectionStrings:Default %>"
SelectCommand="SELECT Album.Album, genre.Genre, Band.Band, Album.year, Album.AlbumUID FROM Album INNER JOIN Band ON Album.BandUID = Band.BandUID LEFT OUTER JOIN genre ON Album.GenreUID = genre.GenreUID WHERE (genre.Genre = @Genre) OR (genre.Genre <
'ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ') ORDER BY genre.Genre, Band.Band"
ProviderName="<%$ ConnectionStrings:ConnectionString.ProviderName %>">
<SelectParameters>
<asp:ControlParameter ControlID="ddlGenre" Name="Genre"
PropertyName="SelectedValue" />
</SelectParameters>
</asp:SqlDataSource>
<asp:SqlDataSource ID="SqlDSGenre" runat="server"
ConnectionString="<%$ ConnectionStrings:Default %>"
SelectCommand="SELECT Genre, GenreUID FROM genre Order by Genre"></asp:SqlDataSource>
Select a Genre
<asp:DropDownList ID="ddlGenre" runat="server" DataSourceID="SqlDSGenre"
DataTextField="Genre" DataValueField="Genre" AppendDataBoundItems="True"
AutoPostBack="True">
</asp:DropDownList>
<asp:GridView ID="gvAlbum" runat="server" AllowPaging="True"
AllowSorting="True" AutoGenerateColumns="False" DataSourceID="SqlDSAlbums">
<Columns>
<asp:BoundField DataField="Album" HeaderText="Album" SortExpression="Album" />
<asp:BoundField DataField="Genre" HeaderText="Genre" SortExpression="Genre" />
<asp:BoundField DataField="Band" HeaderText="Band" SortExpression="Band" />
<asp:BoundField DataField="year" HeaderText="Year"
SortExpression="year" />
<asp:TemplateField HeaderText="Comments">
<ItemTemplate>
<asp:HyperLink ID="hlToComments" HeaderText="Comments" runat="server" NavigateUrl='<%# String.Format("ViewComments.aspx?AlbumUID={0}", Eval("AlbumUID")) %>' Text="Click Here" />
</ItemTemplate>
</asp:TemplateField>
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Jan 15, 2011
how to implement a filter feature like this? What Ajax or JQuery controls can be used for this (if any)?
Here is an example of how the UI might look like:
See the Exchange Management Console image:
[URL]
Here is the spec:
The ASP.NET page has a "Filter" component and a "Apply Filter" button. The "Filter" component consists of 4 UI controls as below:
1. A dropdown list with prepopulated values like "Name", "Department", "Building", "Email Address".
2. A dropdown list with four operators - "Equal", "Not Equal", "Like", and "Not Like"
3. This is a dynamic control. It could be a textbox or a dropdown list. If the user chooses "Name" from the first UI control, the third UI control will become a Textbox. If the user chooses "Department" from the first UI control, the third UI control will become a dropdown list with all departments within this company pre-populated.
4. A button with AND expression. If the user clicks this button, one more Filter component will be created.
One possible user case is like this:
ASP.NET: when the page is loaded, it displays one Filter component (3 UI controls and a AND button), a "Apply Filter" button, and an empty "Filter Result" data grid.
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Aug 4, 2010
I have a listview that is displaying records currently based on a dropdown.. works great.. now, within those results returned, i would like to filter down some more.. How can i add a dropdownlist to the page that is populated with data from the listview(only 1 field would be used to create the list ) and if you chose to filter by that drop down, then the listview is revised to display only records with the selected value.
Example..
Currently you pick from a drop down.. Report#1, Report#2 or Report#3 Say report#1 returns 100 records.. and the field im going to be filtering on is my "Vendor" field.. so once my listview displays my results, a dropdownlist is populated with all the vendors that were returned with the query.. could just be a few..
Now you are sitting there paging thru all the records.. and realize you really just need to see out of the 100 records, records that belong to Vendor#3, so you pick #3 from the drop downlist and the procedure is called again now filtering on that vendor..
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Mar 14, 2011
How can I inherit the logion control UI in my custom ascx login control as well override it's OnAuthenticate event in my cusotm control code.
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Oct 8, 2010
I have written a web usercontrol (ascx). Inside, there is a Panel that I want to show/hide on click of a hyperlink inside the usercontrol.
Normally, this is easy just by doing something like this (the onclick attribute is added to the hyperlink on prerender):
var PanelToShow = document.getElementById('<%=PanelInvoiceHasBeenCreated.ClientID %>');
if (PanelToHide != null) {
PanelToHide.style.display = 'none';
}
but because the ascx control is held within the gridview, the above will assess all the controls (of which there are many in the gridview) with the name 'PanelInvoiceHasBeenCreated'. The only time it will work is when there is 1 row in the gridview. Currently, with my existing code, if I click the hyperlink in any row, it shows/hides the panel in the bottom row of the gridview!
Therefore, my question is how do I get the actual, unique ID I need to show/hide on the correct control in the correct row?
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Aug 10, 2010
I have to build a few ascx partial views in my MVC applications to encapsulate re-usable functionalities as well as archive SOR and SOC. However, I encountered challenge how to encapsulate the business logic that drives MVC ascx views.In webforms, the code behind of an ASCX control can handle a button click event and browser still shows the same page with only one postback. How can I archive the same thing in MVC? When ~/Address/Edit/2 includes an ascx partial view with a button on it that calls another MVC action - let's say ~/ShareController/CommonAction - what is the best way for the CmmonAction to return to the very same view that includes the ascx file?Perhaps I am missing a common pattern in MVC web development?
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Jun 12, 2010
I Have the gridview control with 2 dropdown list and 2 text boxes,When the textbox chnaged event happen 1 row will create and the dropdown back to initial values( its not retaining the selected values),I am binding the control after text changed method,Is there any properties needs to be set or any other way we can retain the values in postbacks?
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Oct 15, 2010
I have an ASCX that contains
<my:Foo ID="Bar" runat="server" Value='' />
I want to set Value with textbox1.Text, but Value is an Int32. I am looking for something like this:
<my:Foo ID="Bar" runat="server" Value='<%= Int32.Parse(textbox1.Text) %>' />
But I getParser Error Message: Cannot create an object of type 'System.Int32' from its string representation '<%= Int32.Parse(textbox1.Text) %>' for the 'Value' property.Is there a way to do this on the ASCX file? Do I have to implement a TypeConverter for this property?
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Apr 27, 2013
I have seen this tutorials, its very good.
[URL]..
How to apply the same tutorials for checkbox list control to filter the gridview instead of dropdown list.
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Jul 16, 2010
how can i load ascx control in asp.net mvc view ? i am using url.action in src but it is not working.
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Sep 24, 2010
How can I register a css code block inside an ascx control?
Can I just have
<head id="head" runat="server">
<style type="text/css">
.customClass
{
background-color: Lime;
}
</style>
</head>
Anywhere in ascx page? I doesn't seem to work?
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Dec 15, 2010
I have .ascx web user control in my web site. Now I want to make dll for that .ascx file. let me know steps how can I make .dll file for that .ascx web user control.
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Jun 27, 2010
Here's the source of a blank .acsx file I created called LogOnBox.
<%@ Control Language="C#" AutoEventWireup="true" CodeBehind="LogOnBox.ascx.cs" Inherits="ECommerce.Views.Shared.LogOnBox" %>
I want to drag some labels, and textboxes etc and give them style using a CSS file. How can I associate a CSS to an acsx file?
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Jul 21, 2010
I am not able to get the htmlinputimage control id created dynamically based on no of rows reterived from db.
these controls are bn created in usercontrol (.ascx.vb) page
The actually requirement is ...there are set of images in a table, i need to get a particular image src, based on that i need to collect the image id(s) and use it for futher process...
and this is poosible using a FindControl... which i have bn trying , but all invain...
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Jan 11, 2010
i've tried to get an asp.net dropdownlist control to become a dijit combobox but it's not working. i've tried this:
<asp:DropDownList ID="ddlUserID" dojoType="dijit.form.ComboBox" runat="server"
DataTextField="FullNameAndUserName"
CssClass="stdtext" DataValueField="UserID" AppendDataBoundItems="True"
AutoPostBack="True"
meta:resourcekey="ddlUserIDResource1" EnableTheming="False">
<asp:ListItem Text="(All Users)" Value="0" meta:resourcekey="ListItemResource1" />
</asp:DropDownList>
<script type="text/javascript" src="../scripts/dojo/dojo.js"></script>
<script type="text/javascript">
dojo.require('dijit.form.ComboBox');
</script>
the path to dojo.js is relative to the containing parent page of the ascx control and loads fine according to firebug.
the rendered html is this:
<select id="invoiceReport1_ddlUserID" class="stdtext" dojotype="dijit.form.ComboBox" onchange="javascript:setTimeout('__doPostBack('invoiceReport1$ddlUserID','')', 0)" name="invoiceReport1$ddlUserID">
</select>
<script src="../scripts/dojo/dojo.js" type="text/javascript">
</script>
<script type="text/javascript">
</script>
<script type="text/javascript">
looking at the examples from http://docs.dojocampus.org/dijit/form/ComboBox
i cant see why the resulting select tag is not a combobox.
i've also tried this:
HtmlGenericControl ctrl1 = new HtmlGenericControl("Script");
ctrl1.Attributes.Add("Type", "Text/Javascript");
ctrl1.Attributes.Add("src", "../Scripts/dojo/dojo.js");
this.Page.Header.Controls.Add(ctrl1);
HtmlGenericControl ctrl2 = new HtmlGenericControl("Script");
ctrl2.Attributes.Add("Type", "Text/Javascript");
ctrl2.InnerText = "dojo.require('dijit.form.ComboBox');";
this.Page.Header.Controls.Add(ctrl2);
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Jan 8, 2010
In the master page code behind I added
public ContentPlaceHolder BodyPlaceHolder
{
get { return ContentPlaceHolder1; }
}
and now, in web content form I want to add to this place holder a new ascx control in code behind.
protected void Page_Load(object sender, EventArgs e)
{
if (!User.Identity.IsAuthenticated)
{
LoginRegisterControl lrControl = new LoginRegisterControl();
Master.BodyPlaceHolder.Controls.Add(lrControl);
}
else
{
UserProfile upControl = new UserProfile();
Master.BodyPlaceHolder.Controls.Add(new Button());
}
}
and this doesn't work. If I change this to
Master.BodyPlaceHolder.Controls.Add(new Button());
It works. So the problem is with the ascx user control.
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Feb 25, 2010
I have a master page with a ascx control I use for a header. There is a label in HeaderControl1 I need to set from the content pages. I was able to make the changes in the master template as a tes by just calling the control and accessing the property.
HeaderControl1.txt = 234
[Code]....
[Code]....
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