#Mvc treeview example code

#Mvc treeview example code

Step 4: Now let's create a custom HTML helper class to render treeview in Razor, Add new class in 'Models' folder and name it as 'TreeViewHelper', and use the code below using System Select 'Ef designer from database' -> Click 'Next'-> 'New Connection' -> Conenct to your database by entering credentials of your database and selecting databaseĪfter entering connecting to database and clicking 'OK', Select 'Yes, include the sensitive data in the connection string', click 'Next', Select Ef version 'Entity Framework 6.0', Click 'Next', check 'Tables' and click 'Finish' Step 3: Now link project with database using ADO.NET and Entity framework, right click on Models folder in Visual Studio, Select 'Add' -> 'ADO.NET Entity Model'/ 'New Item'->'Data(Left pane) & ADO.NET Entity Model(right pane)' -> Name it and click 'Add' WITH CHECK ADD CONSTRAINT FOREIGN KEY()ĪLTER TABLE. )WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, SORT_IN_TEMPDB = OFF, DROP_EXISTING = OFF, ONLINE = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON ĪLTER TABLE. ****** Object: Index Script Date: 6:39:22 PM ******/ĬREATE NONCLUSTERED INDEX ON. (,, , ) VALUES (6, N'Razor Syntax', N'Razor Syntax', 4) )WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON Script Date: ******/ĬONSTRAINT PRIMARY KEY CLUSTERED Step 2: Now, for example ,I have this table in my database, which we need to show in Treeview, with the following table rowsĪs you can see above we have four columns on the table, where Pid is Main parent Id, you can create this table in your database with the following script Select MVC template to generate basic home controller and other details Step 1: Create a project in your Visual Studio(2017 in my example), by opening Visual Studio and clicking 'File'-> 'New'-> 'Project' We will create a dynamic tree view menu fetched from the database, using ASP.NET MVC 5, C#, Razor and SQL Server 2012 with the help of JStree jquery plugin. In this article, we will create dynamic treeview in asp.net mvc from database data, which will help you link parent node with the child node and sub-child node easily. Using the Google maps geocode service to find the.Learn to use Castle Windsor: Skills Matter, London.Using Google Maps with the MVC Framework.Using ServiceLocator in an MVC Framework application.Mapping entities to multiple databases with NHiber.Rendering a tree view using the MVC Framework.Last night's talk on Dependency Injection with Win.It will be of great help If you let me know the reason for this error Try specifying the type arguments explicitly.' 'The type arguments for method '(,, System.Func)' cannot be inferred from the usage. I am trying to use the aboce code but below is the error I am getting. ViewData = 'Welcome to ASP.NET MVC!' ĬompositeThing com = new CompositeThing() ĬompositeThing child1 = new CompositeThing() ĬompositeThing child2 = new CompositeThing() ĬompositeThing Parent = new CompositeThing() Here's a simple example, CompositeThing: public class CompositeThing : IComposite Now we just need to make sure that our entity implements this interface. It's called IComposite after the GoF pattern. First I've got an interface to represent a tree node. I've written an HTML helper that presents tree structures as nested unordered lists in HTML. A tree view is a wonderful way to present nested data structures or trees.