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ASP.NET Hosting - :: How to Add the Store Locator in ASP.NET MVC Application

clock April 22, 2016 23:13 by author Dan

Recently, a reader wrote in and asked what steps would be necessary to include a “Directions” link with each marker in the map so that, when clicked, the user would see the driving directions from the address they entered and the store of interest. I decided to update the ASP.NET MVC application to include this new feature request. Now, the results page shows a “Directions” link in both the grid of nearby stores and in the info window that pops up when you click a map marker. Clicking the “Directions” link opens a new browser window and loads Google Maps, showing the directions from the user-entered address to the selected store’s address.

To show the driving directions I send the user to the following URL:

When the user is sent to the store locator page, the user-entered address (a/k/a, the starting address) is passed through the querystring via a field named Address, so we already know the starting address. But how do we get our hands on the destination address? Recall that view is passed a model that is a collection of NearbyStoreLocation objects; the NearbyStoreLocation class has properties like Address (the street address), City, Region, PostalCode, and so forth. We can build up the address by concatenating these various address parts.

Rather than requiring the view to build up the address, I added a new read-only property to the NearbyStoreLocation class named FormattedAddress, which returns an address Google Maps can parse by piecing together the address-related properties into a string.

public string FormattedAddress
var addrPieces = new List<string>(5);
if (!string.IsNullOrEmpty(this.Address))
if (!string.IsNullOrEmpty(this.City))
if (!string.IsNullOrEmpty(this.Region))
if (!string.IsNullOrEmpty(this.CountryCode))
if (!string.IsNullOrEmpty(this.PostalCode))
return string.Join(", ", addrPieces.ToArray());

In the view, the link to the directions can be build like so:

<a target="_blank" href="<%=Server.UrlEncode(Request.QueryString["Address"]) %>&daddr=<%=Server.UrlEncode(store.FormattedAddress) %>">Directions</a>

And that’s it! Adding the Directions link to the info popup window is a tad more involved because the quotation marks must be escaped using \”. Happy Programming!

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ASP.NET MVC 4 Hosting :: Partial View in ASP.NET MVC 4

clock November 22, 2013 10:10 by author Mike

Partial view is like a regular view with a file extension .cshtml. We can use partial views in a situation where we need a header, footer reused for an MVC web application. We can say that it’s like a user control concept in ASP.NET. Here I am going to explain how to create a partial view in an MVC 4 ASP.NET application.

First add a view to the shared folder with the view name _Product. The best way to create a partial view is with the name preceded by '_', because the name specifying that it is reusable.

Here in this example, I am using the partial view to display the item selected in the webgrid.

@model PartialViewSample.Models.Product

    Layout = null;

<!DOCTYPE html>
    <meta name="viewport" content="width=device-width" />
            @Html.TextBox("Id", Model.Id)
            @Html.TextBox("Name", Model.Id)
            @Html.TextBox("Description", Model.Description)
            @Html.TextBox("Quantity", Model.Quantity)

We can call the partial view in a normal view like:

Html.RenderPartial("~/Views/Shared/_Product.cshtml", product);


@Html.Partial("~/Views/Shared/_Product.cshtml", product);

Html.Partial returns a string, Html.RenderPartial calls Write internally, and returns void. You can store the output of Html.Partial in a variable, or return it from a function. You cannot do this with Html.RenderPartial because the result will be written to the Response stream during execution. So @html.RenderPartial() has faster execution than @html.Partial() due to RenderPartial giving quick response to the output.

We can call the partial view if the grid has a selected item. The code block is shown here:

@if (grid.HasSelection)
    product =(PartialViewSample.Models.Product)grid.Rows[grid.SelectedIndex].Value;        
    Html.RenderPartial("~/Views/Shared/_Product.cshtml", product);           

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