MVC :: Get Selected Item From Listboxfor Htmlhelper?
Mar 2, 2011
i have a class ProductCategoryViewModel
public class ProductCategoryViewModel{
public List<Category> Category { get; set; }
}
List<Category> Category is my database table having two properties Category_Id and Category_Name
and a strongly typed ProductCategoryViewModel View in which a ListBoxFor HtmlHelper is filled with Category_Name and Category_Id
public ActionResult Index(ProductCategoryViewModel model)
{
if (ModelState.IsValid)[code]....
In this Article is also my Database table defined in Linq to Sql classes. I want to get selected value and text from HtmlHelper ListBox to insert it to my Article table
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Similar Messages:
Nov 19, 2010
I am a student at Millsaps College in Jackson, Mississippi and im working on my Senior Project. For my project i have chosen to use ASP.net MVC 2. Most things seem to be going well, but im having a real issue with the ListBoxFor() method. I have read a ton of posts on this website, StackOverflow as well as others. Here is a description of my problem.
One of the major points of my project is to create a directory of healthcare service providers in Mississippi. These providers can be sorted into multple categories, which creates a many-to-many relationship. Im using a ListBoxFor() to display those categories
when the user would like to edit or create a provider. In the case of creation things work well. However in the case of editing an existing provider, i am unable to figure out how to get the providers's categories to be selected on the load of the page. Below is a look at some of the code. I would be so thankful to anyone who could help me tackle this issue
1. I am using the Entity Framework as my model.
2. Here is the controller i have created
[Code]....
Below is the view portion [Code]....
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Feb 10, 2010
I have a list with 2 sorts of items. Items that have actual values (1,2,3,4 etc) and items that are like group headings so all their values are set to 0. If someone decides to select a group heading - which has a value of 0, is it possible to redirect them to my 'Select an item' item which has a value of ""?
If worse comes to worse, I can just reconstruct the entire list, although if possible I'd like to avoid it.
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Jul 7, 2010
I have a project that queries a set of times from a database and uses these entries to populate a dropdownlist. Once the page is loaded, the user can select one of the items in the DropDownList. When the "Save" button is clicked, the Selected item value is returned to the [HttpPost] version of the controller action. This item is then stored into session. If the system returns to the page containing the dropdown, I want the saved Value to be selected in the DropDownList. What actually happens is that the DropDownList is always set to be the first item in the list.
Database Table: This data has been imported using Link to SQL
[code]....
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Jul 16, 2012
I bind dropdownlist in my page
protected void Page_Load(object sender, EventArgs e) {
BindDropDownList(DDL1, "city1", "name", "ID");
DDL1.Items.Insert(0, new ListItem("select city", "0"));
}
And SP
LTER procedure [dbo].[city1]
as
begin
select id,Name
from city
end
And design code
 <asp:DropDownList ID="DDL2" runat="server" CssClass="daddsd">
</asp:DropDownList>
And here is imagebutton code that when click on it update data into table
protected void ImageButton_Click1(object sender, ImageClickEventArgs e) {
string data = Server.UrlDecode(Request.QueryString["BehCode2"]);
SqlCommand _cmd = new SqlCommand("insertinfo", _cn);
_cmd.CommandType = CommandType.StoredProcedure;
_cn.Open();
[Code] ....
Here when i click on button it insert all data into table but it didn't insert my selected item from dropdownlist it insert select city that i define in page_load
 DDL1.Items.Insert(0, new ListItem("select city", "0"));
And when i delete this code from page load it insert in table first row of my table it didn't insert my selected item from dropdown list.
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Jul 4, 2010
I am trying to get a drop down and a form view to work together. I've never used form views before. I also am using the entity framework to do everything. This is also my first time with it.
I want to be able to have a drop down, that is populate from the same data source as the form view. So far that works fine.
I then want to be able to change the drop down item, and it change the form view item that is displayed. I cannot figure out how to make this work.
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Feb 3, 2010
i use a dropdownlist in a page, with its items taken from a mysql database
i also use autopostback property...my problem here is that, every time i selecct an item, the first item in the list gets seelected
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Feb 28, 2011
How to get the selected item from the listbox in the selected index changed event. I tried: Label1.Text = ListBox1.SelectedItem.Text; It is giving me object set to null reference.
foreach (ListItem item in ListBox1.Items)
{
if (item.Selected)
{
//lblResults.Text += item.Text + "
";
Label1.Text = item.Text;
}
}
No use, no value coming in to label.
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Dec 3, 2010
I have a drop down list control populated with items and some code to take the currently selected item value. The problem is I only get the value of the first item in the list regardless of what item is actually selected. Here is my code to populate the drop down:
protected void displayCreateCategories()
{
StoreDataContext db = new StoreDataContext();
var a = from c in db.Categories
orderby c.Name
select new{catName= c.Name,
catId=c.CategoryID};
ddlCategory.DataSource = a;
ddlCategory.DataTextField = "catName";
ddlCategory.DataValueField = "catId";
ddlCategory.DataBind();
}
To get the value of the currently selected item which in my case is always of type integer I do label1.text=Convert.toInt32(ddlCategory.SelectedValue); I get the selected value, but it is always for the 1st item in the list. I'm pulling my hair out over this.
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Jan 9, 2010
I would like to extend the HtmlHelper by using metadata (similar to DataAnnotaions metadata). Specifically I want to be able to add a 'Title' attribute to html controls that will then appear as a tooltip on the control. I would like to keep the tooltip text with my model, for example by adding 'Tiltle' metadata to the model as follows:
[DisplayName("User Id")]
[Title("Enter your 10 digit user id")]
property UserId { get; set; }
So the questions are:
1. How do I add metadata (such as 'Title') to my model?
2. How do I access this metadata in my HtmlHelper extension method?
[code]....
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Jan 9, 2011
I'm trying to get my own viewmodel after submit my form and I got the following error:
"Unable to cast object of type 'System.String[]' to type 'System.String'"
This is my code:
ViewMode:
public class SoftwarePackages
{
public string[] PermissionsList { get; set; }[code].....
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Jul 15, 2010
I am getting this exception even though no values to my knowledge are null, apart from the model.SuburbID itself.
Here is controller code for getting the suburbs:
[Code]....
Here is the view code:
[Code]...
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Dec 28, 2010
How do I get the value for item selected from my dropdown in my controller?
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Feb 12, 2010
how to get the selected item in datalist? For eg, I'm displaying a list of food items in a datalist with food name, price, type, a button(Click to order). Now I wanted to click on the selected button and get that specific food name, price & etc from the datalist.
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Mar 25, 2010
I've got the following DropDownList control:
<asp:DropDownList ID="SubjectFilter" runat="server" AutoPostBack="True" onselectedindexchanged="SubjectFilter_SelectedIndexChanged"></asp:DropDownList>
SubjectFilter data:
BookStore b = new BookStore();
b.LoadFromXML(Server.MapPath("list.xml"));
SubjectFilter.DataSource = b.BooksList.Select(x => x.Subject).Distinct().ToArray();
SubjectFilter.DataBind();
SubjectFilter.Items.Insert(0, new ListItem("הכל", "Default"));
Everything loads just fine. However in the SubjectFilter_SelectedIndexChanged method, SubjectFilter.SelectedValue is always Default, even though I'm selecting different options.
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Mar 23, 2011
if any body select listbox then
item=item1
if nobody select list box
item=no
how to do it
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Feb 1, 2011
I have a asp menu in my master page and i need to highlight the selected menu item.
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Feb 17, 2010
I have a DropDownList in a template column of a GridView control. The GridView is bound to a list of objects. Each object has a property of type int which corresponds to a value in one of the DropDownLists ListItems. I could set the selected item programatically by adding a DataBind event to the drop down, but I'm wondering if there's a way to set the selected item by using a code block in the aspx markup.
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Feb 1, 2010
VWD 2008 Express. Visual Basic. SQL Server 2005.
I have a dropdownlist whose datasource is a SQLDataSource. The select command is:
SelectCommand="SELECT
[JailID], [strName] + ', ' + [strState] as JDName, [nJurID] FROM [JailArea]"
The DropDownList definition is:
[Code]....
[Code]....
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Jul 24, 2010
After validation dropdown list do not select previous value.
<%: Html.DropDownList("Country",(SelectList)ViewData["Country"],"") %>
However in Quick View there is correct selected value. :(
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Jun 18, 2010
I have a page with a menu like navigation pane (too repeater) and a placeholder in these page.
This is my problem : on menu item click i open different control in my placeholder, one at click. When i change them selected item in my menu on page init i load the old control and i load the new control on menu event. How i can get te selected item of a repeater on page initor load the, items are LinkButton
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Dec 30, 2010
I have form with a HTML.DropDownList and a HTML.SubmitButton. I would like to validate item selected in dropdownlist once there is a click in submitbutton. Any ideas?
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Mar 27, 2011
i have created a DropDownList as
[Code]....
but the item is not select, instead of the first is select
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Aug 30, 2010
I have a grideview and 2 buttons. I need to only show the buttons when the gridview has a selected item. My code looks like this:
protected void Page_Load(object sender, EventArgs e)
{
btactivate.Visible = false;
btdeactivate.Visible = false;
//Show Activate and Deactivate Buttons only if an item in the gridview is selected
if (GridView1.SelectedIndex != -1)
{
btactivate.Visible = true;
btdeactivate.Visible = true;
}
else
{
btactivate.Visible = false;
btdeactivate.Visible = false;
}
}
But the problem I have now is that only when I select the second time a item in the gridview the buttons show up. I need to have the the buttons show when I select the first time. I have tried changing the selected index to "-0" but that shows the buttons all the time (even when I dont have something selected).
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Nov 2, 2010
I have a BulletedList in ASP.NET
<asp:BulletedList ID="lstItems" OnClick="Item_OnClick" DisplayMode="LinkButton" runat="server" />
On the server I handle the list item's link button click event.
When this occurs I want to apply a CSS class to the selected item on the client-side to show that it is the selected item.
Since ListItem does not support any sort of CSS properties directly, but does support Selected, I assume the best way to do this would be to get the selected item from control on the page load and apply the styling then.
Does anyone know how to access this property in JavaScript or any other options to achieve this affect?
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