StoreDB | Make localStorage do more things | Storage library
kandi X-RAY | StoreDB Summary
kandi X-RAY | StoreDB Summary
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QUESTION
I am getting a total on my cart items and one may possibly be null. This has come about because I am pulling a price from the database according to the class of the Part. Before I just added everything in the cart according to one price column. Now I am in need of doing so by the class of the part.
[UPDATE] - I explained this a little better.. There might be parts in the cart of one type of class (Class being the name I gave the column in the data table) If the there are items in the cart and they do not meet both "conditions" I will still need a total. This is the code I have right now.
...ANSWER
Answered 2021-Jan-27 at 18:19You don't need to worry about null values. Using the null-coalescing operator ??
you can get a 0
when the query result is null.
QUESTION
We have developed an ASP Net MVC application using the Repository pattern. We are creating a db context instance by using a context provider class like:
...ANSWER
Answered 2020-Jan-09 at 12:42The issue is resolved using the following steps: I decorated my service implementation with the AspNetCompatibilityRequirements attribute:
QUESTION
I have this code and I can't understand why I still have this ERROR, I've tried all the solutions but I can't solve this problem: -Notice: Undefined index: product_price -Notice: Undefined index: product_quantity -Notice: Undefined index: product_name. I checked all variable names and the database fields names and everything is right, but I still have this error.
...ANSWER
Answered 2019-Nov-30 at 18:25One thing is strange... When shopping cart is not set yet use
QUESTION
I try learning something in Asp net Mvc, but I have a trouble. I wish my data were not duplicated when I start the program every time. I thought that it will be working fine and my data will create while first run. Why does not work it?
Store Context:
...ANSWER
Answered 2019-Aug-26 at 21:25You are not giving it a key/key combo to compare against so everything you pass in is an Add operation as far as it is concerned.
QUESTION
The module is not registered:
...ANSWER
Answered 2019-Apr-02 at 14:09Ok, i found a way that work...
Code:
QUESTION
Here is my code :
...ANSWER
Answered 2018-Nov-17 at 12:39This is a simplified version of how you would achieve this:
QUESTION
I am trying to write a text file to internal storage of my android application. But it is not possible for me to see if the file is generated or not.
My text file is stored in the following path: data/data/"MyApplcationPackageName"/files/MyFile.txt
Permission : drwxrwx-x
I have tried the following things -
1) Using device file explorer:
Device file explorer does not open my application package. it gives following error if I try to open it. Device File Explorer
2) Terminal:
I have also tried opening it using adb in the terminal. But when I try to open files inside my application package it says permission denied. adb terminal
Please let me know how I can open my text file for debugging. Thanks in advance.
...ANSWER
Answered 2018-Oct-30 at 12:21You need to root your phone to view those files. Or you can do it on an emulator by using the Device File Explorer.
EDIT: Or just use an unprotected file path. This will create the directory. After that you just need to save the .txt file to that directory.
QUESTION
It's my first dealing with mvc and I am going with a tutorial from this link https://archive.codeplex.com/?p=mvcmusicstore . I have all steps done but when I write:
...ANSWER
Answered 2018-Jul-07 at 21:40Do you have this field declared in your controller?
QUESTION
I have created a dropdownlistfor in my Product Details view that has 5 hard coded values (1,2,3,4,5) and when I'm selecting the value I want to then pass it into the AddToCartWithQuantity method in the ShoppingCart controller and then into the Shopping cart model's method of the same name when I click the add to cart button but when I add the item to the cart the quantity comes up as 0.
My Product Details View:
...ANSWER
Answered 2018-May-02 at 17:09Your current code is rendering an anchor tag and clicking on which will do a GET request with the id in the querystring. If you want to send the selected value from the quantity dropdown, you need to read and send it.
First update the code where you are rendering the link so that it will create an Id
attribute for the a
tag, which we can use later in javascript to override the default click behavior.
QUESTION
I have a problem with my code. I get this error message "Value cannot be null. Parameter name: source"
Below is the error row 100.
CartId and ShoppingCartId is strings.
...ANSWER
Answered 2018-Mar-21 at 22:31Add null check
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