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On text change create automatically dropdownlist


On text change create automatically dropdownlist

By : Konstantin
Date : November 22 2020, 11:12 AM
it helps some times You need to create UserControl to modify this tag here is example for modifying ASP.NET tag http://www.codeproject.com/Articles/322923/Dropdown-TextBox
code :


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change/modify the dropdownlist text by value using jquery

change/modify the dropdownlist text by value using jquery


By : Gaurav Garg
Date : March 29 2020, 07:55 AM
Does that help i have dropdownlist with the values:
code :
$('#myddl option[value=2]').text('Two');
How automatically change contents of a textbox depending on dropdownlist?

How automatically change contents of a textbox depending on dropdownlist?


By : user2618057
Date : March 29 2020, 07:55 AM
will help you After a day of reading...
On www.w3schools.com the tutorials helped - JavaScript - HTML DOM - JQuery - Ajax (not all of it)
code :
/// <summary>
/// Controller to change adverts
/// </summary>
[Authorize]
public class AdvertController : Controller
{
    /// <summary>
    /// Default controller action.
    /// </summary>
    /// <returns></returns>
    public ActionResult Index()
    {
        ViewData["PageNameList"] = service.GetPageNameList();
        ViewData["PositionList"] = service.GetPositionList();

        return View(new AdvertViewModel());
    }

    [HttpPost]
    public ActionResult GetData(AdvertViewModel data)//FormCollection data)//int id)
    {
        AdvertViewModel result = new AdvertViewModel() { Name = "got data" };
        return Json(result);
    }
            //$("#Name").val("something");

            var name = $("#Name").val();
            var url = $("#Url").val();
            var pageId = $("#PageId").val();
            var poisitionInPageId = $("#PositionOnPageId").val();

            jQuery.ajax({
                url: "/Advert/GetData",
                async: false,
                type: "POST",
                data: ({Name: name, Url: url, PageId: pageId, PositionOnPageId: poisitionInPageId}),
                dataType: "json",
                success: function (data) {
                    jQuery("#Name").val(data.Name);
                }
            });
        });
    });
</script>
<h2>
    Index</h2>
<% using (Html.BeginForm())
   {%>
<%: Html.ValidationSummary(true) %>
<fieldset>
    <legend>Fields</legend>
    <div>
        <input type="text" id="textbox" />
    </div>
    <div class="editor-label">
        <%: Html.LabelFor(model => model.PageId) %>
    </div>
    <div class="editor-field">
        <%= Html.DropDownListFor(model => model.PageId, (IEnumerable<SelectListItem>)ViewData["PageNameList"])%>
        <%= Html.ValidationMessageFor(model => model.PageId) %>
    </div>
    <div class="editor-label">
        <%: Html.LabelFor(model => model.PositionOnPageId) %>
    </div>
    <div class="editor-field">
        <%: Html.DropDownListFor(model => model.PositionOnPageId, (IEnumerable<SelectListItem>)ViewData["PositionList"])%>
        <%: Html.ValidationMessageFor(model => model.PositionOnPageId) %>
    </div>
    <div class="editor-label">
        <%: Html.LabelFor(model => model.Name) %>
    </div>
    <div class="editor-field">
        <%: Html.TextBoxFor(model => model.Name)%>
        <%: Html.ValidationMessageFor(model => model.Name) %>
    </div>
    <div class="editor-label">
        <%: Html.LabelFor(model => model.Url) %>
    </div>
    <div class="editor-field">
        <%: Html.TextBoxFor(model => model.Url) %>
        <%: Html.ValidationMessageFor(model => model.Url) %>
    </div>
    <p>
        <input type="submit" value="Save" />
    </p>
</fieldset>
<% } %>
<div>
    <%: Html.ActionLink("Back to List", "Index") %>
</div>
How do I get MVC to automatically create a DropDownList in my View using Code First when I have a foreign key defined in

How do I get MVC to automatically create a DropDownList in my View using Code First when I have a foreign key defined in


By : Sukhdeep Kaur
Date : March 29 2020, 07:55 AM
To fix the issue you can do You are running into common problems that arise when you try to bind a Business or Data object directly to a View. It is a MUUUUCH cleaner solution to create a "ViewModel" that your View binds to, and this ViewModel will contain everything the View needs for its UI.
Here's a pattern I use. First, the ViewModel:
code :
public class RawValuesEditingViewModel
{
    // Your primary ID
    public int Pk { get; set; }

    [Required]
    public int? SelectedCapsulePk { get; set; }

    // Other basic fields as needed for editing on this screen
    public int Active1 { get; set; }
    public int Active2 { get; set; }
    public int Active3 { get; set; }
    public int Active4 { get; set; }
    public int Active5 { get; set; }
    public int KeyActive { get; set; }
    // blah blah blah....

    // Use this as the source for your Dropdown List for the capsule choice
    public IEnumerable<SelectListItem> CapsulesToSelectFrom
    {
        get
        {
            return from cap in DatabaseRepository.GetAllCapsules() // or some kind of Repo here.
                   select new SelectListItem {
                       Text = cap.Name,
                       Value = cap.Pk.ToString(),
                       Selected = (cap.Pk == this.SelectedCapsulePk), 
                   };
        }
    }

    public RawValuesEditingViewModel()
    {
        // This constructor is parameter-less because the MVC model binder needs it this way to bind on post back.
        // You can alter this behavior, but it gets hairy.
    }

    // Call this method from your Controller to populate the ViewModel fields. 
    public void LoadModelFieldsFromDataObject(int pkToLoadFrom)
    {
        // get the underlying database object, from EF in your case.
        var rawValuesObj = DatabaseRepository.GetRawValueObjectById(pkToLoadFrom);

        // Map your RawValues data object fields to the RawValuesEditingViewModel fields as needed.
        // Only map the fields you want to present for editing.
        // Check out "AutoMapper" if you are tired of writing this kind of code :)
        this.Pk = rawValuesObj.Pk;
        this.SelectedCapsulePk = rawValuesObj.CapsuleFk; 
        // etc etc etc
    }

    public void ExecuteRawValuesUpdate(int pk)
    {
        // code to persist back to database goes here.
        // probably you will re-fetch the database object, update its fields from this ViewModels fields, then persist it back thru EF.
    }
}
public static class DatabaseRepository
{
    public static List<Capsule> GetAllCapsules()
    {
        // your EF calls/whatever go here.
    }

    public static RawValues GetRawValueObjectById(int pk)
    {
        // your EF calls/whatever go here.
    }
}
public ActionResult RawValues(int pk) 
{
    var rawValuesVM = new ViewModels.RawValuesEditingViewModel();
    try
    {
        rawValuesVM.LoadModelFieldsFromDataObject(pk);
    }
    catch (Exception ex)
    {
        // however you wish to handle a bad lookup
    }
    return View(rawValuesVM);
}

[HttpPost]
public ActionResult RawValues(ViewModels.RawValuesEditingViewModel rawValuesVM, int pk)
{
    if (ModelState.IsValid)
    {
        try
        {
            rawValuesVM.ExecuteRawValuesUpdate(pk);
            // Redirect or something here.
        }
        catch (Exception ex)
        {
            ModelState.AddModelError(string.Empty, ex);
        }
    }
    return View(rawValuesVM);
}
@Html.DropdownListFor(mode => model.SelectedCapsulePk, Model.CapsulesToSelectFrom)
yii dropdownlist change jquery works only in create

yii dropdownlist change jquery works only in create


By : Federico Maiorini
Date : March 29 2020, 07:55 AM
should help you out i have form with render partial in yii which make update and create , thanks all for attention my solve to this problem when i delete
code :
$(document).ready(function()
{
}
How can I add tow text and value for selectlistitem when I create a dropdownlist

How can I add tow text and value for selectlistitem when I create a dropdownlist


By : user3356694
Date : March 29 2020, 07:55 AM
will be helpful for those in need I face a problem regarding the presentation of data in ASP.NET MVC 5.
code :
 public List<SelectListItem> Travel_Agent()
        {
            var unitcode = Convert.ToInt32(HttpContext.Session.GetString("UnitCode"));
            string sqlquery = "  select supp_code,supp_name from li_supplier_msts  ";
            DataTable dtDRP_VALUE = _context.GetSQLQuery(sqlquery);
            List<SelectListItem> DRP_VALUE = new List<SelectListItem>();
            DRP_VALUE = (from DataRow dr in dtDRP_VALUE.Rows
                         select new SelectListItem()
                         {
                             Value = Convert.ToString(dr["supp_code"]),
                             Text = Convert.ToString(Convert.ToString(dr["supp_code"] + "~" + dr["supp_name"]  ))
                         }).ToList();

            return DRP_VALUE;

        }
ViewBag.Travel_Agent = Travel_Agent();
<select  id="SuppCode" asp-items="@(new SelectList(ViewBag.Travel_Agent, "Value", "Text"))" class="form-control">                                                   
<option>---Select---</option>
</select>
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