Autocomplete Textbox Using jQuery AJAX With Database In ASP.NET

Introduction

In this blog, we will discuss how to create autocomplete textbox in asp.net with the database using jQuery AJAX and web service.

Step-1

Create a database in SQL server of your choice as given below.

  1. USE [JQueryDB]  
  2. GO  
  3. SET ANSI_NULLS ON  
  4. GO  
  5. SET QUOTED_IDENTIFIER ON  
  6. GO  
  7. CREATE TABLE [dbo].[Country](  
  8.     [CountryID] [int] IDENTITY(1,1) NOT NULL,  
  9.     [CountryName] nvarchar NULL,  
  10.  CONSTRAINT [PK_Country] PRIMARY KEY CLUSTERED   
  11. (  
  12.     [CountryID] ASC  
  13. )WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]  
  14. ) ON [PRIMARY]  
  15.   
  16. GO  
  17. SET ANSI_NULLS ON  
  18. GO  
  19. SET QUOTED_IDENTIFIER ON  
  20. GO  
  21. CREATE procedure [dbo].[spGetCountryName]  
  22. @term varchar(50)  
  23. as  
  24. begin  
  25.     select CountryName  
  26.     from Country  
  27.     where CountryName like @term +‘%’  
  28. end  
  29. GO  

Step-2

Add database connection in a webconfig file of your project change data source and database as you created.

  1.   
  2.   <add name=“DBCS” connectionString=“data source=DESKTOP-K5N6EMF\SQLEXPRESS; database=JQueryDB;integrated security=SSPI” providerName=“System.Data.SqlClient;”/>  
  3.   

Step-3

Add CountryService.asmx right click on project add new item and choose .asmx file. Write below code.

#database #jquery #asp.net

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Autocomplete Textbox Using jQuery AJAX With Database In ASP.NET
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Create ASP.NET Core MVC Project

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Image showing how to create ASP.NET Core Web API project in Visual Studio.

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Showing project template selection for .NET Core MVC.

Setup a Database

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Showing list of NuGet Packages for Entity Framework Core

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public class TransactionModel
{
    [Key]
    public int TransactionId { get; set; }

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    [DisplayName("Account Number")]
    [Required(ErrorMessage ="This Field is required.")]
    [MaxLength(12,ErrorMessage ="Maximum 12 characters only")]
    public string AccountNumber { get; set; }

    [Column(TypeName ="nvarchar(100)")]
    [DisplayName("Beneficiary Name")]
    [Required(ErrorMessage = "This Field is required.")]
    public string BeneficiaryName { get; set; }

    [Column(TypeName ="nvarchar(100)")]
    [DisplayName("Bank Name")]
    [Required(ErrorMessage = "This Field is required.")]
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    [DisplayName("SWIFT Code")]
    [Required(ErrorMessage = "This Field is required.")]
    [MaxLength(11)]
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    [DisplayName("Amount")]
    [Required(ErrorMessage = "This Field is required.")]
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    [DisplayFormat(DataFormatString = "{0:MM/dd/yyyy}")]
    public DateTime Date { get; set; }
}

C#Copy

Here we’ve defined model properties for the transaction with proper validation. Now let’s define  DbContextclass for EF Core.

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And this tutorial also guide on how to send data to MySQL database using AJAX + jQuery + PHP without reloading the whole page and show a client-side validation error message if it has an error in the form.

PHP jQuery AJAX POST Form Data In Into MySQL DB Example

Just follow the few below steps and easily create and submit ajax form in PHP and MySQL with client-side validation.

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User registration and authentication are mandatory in any application when you have little concern about privacy. Hence all most all application development starts with an authentication module. In this article, we will discuss the quickest way to use **ASP.NET Core Identity for User Login and Registration **in a new or existing MVC application.

Sub-topics discussed :

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Background

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Create an ASP.NET Core MVC Project

First of all, I will create a brand new ASP.NET Core MVC application without any authentication selected. We could add ASP.NET Core Identity later into the project.

In Visual Studio 2019, Go to File > New > Project (Ctrl + Shift + N). From new project window, select ASP.NET Core Web Application.

Create an ASP.NET Core Web application

Once you provide the project name and location. A new window will be opened as follows, Select _Web Application(Model-View-Controller), _uncheck _HTTPS Configuration _and DO NOT select any authentication method. Above steps will create a brand new ASP.NET Core MVC project.

Select Model View Controller templet under .NET Core

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