How can I implement jQuery DataTables plugin using C#, ASP.NET, SQL Server side processing with ajax and webservices?
Would like to implement a Datatables grid using
This version is for older SqlServer, For newer version ,try the other one.
This technique uses stored procedure, you can improve the performance by using other methods than #temp Main features are
Functional and Very Useful
Step 1:(HTML)
#
Name
Base Discount
Additional Discount
Special Discount
Action
#
Name
Base Discount
Additional Discount
Special Discount
Action
STEP :2 (Stored Procedure)
Create procedure [dbo].[category_post]
@srno int=null, -- from here
@user_srno int=null,
@catSrno int=null,
@name varchar(200)=null,
@baseDiscount numeric(18,2)=null,
@additionalDiscount numeric(18,2)=null,
@specialDiscount numeric(18,2)=null,
@status int null,
@Action_by int null,
@option varchar(20) = null, -- to here personnel parameters
@orderColumn int =null,
@orderDir varchar(20)=null,
@start int =null,
@limit int =null,
@searchKey varchar(20) -- personnel parameter
as
BEGIN
select IDENTITY(int,1,1) as SnoID, null as abc,specialDiscount, additionalDiscount, baseDiscount, name,cast(srno as varchar(20)) as srno
--this method is userful for all sql server version (it can be made better by using fetch)
into #tempCategory
from categoryStd where [status] not in(4,14) and categoryStd.name like '%'+@searchKey+'%'
declare @to as int = @start+@limit
select * from #tempCategory where SnoID>@start and SnoID<=@to
order by
CASE WHEN @orderColumn = 1 AND @orderdir = 'desc' THEN #tempCategory.[name] END DESC,
CASE WHEN @orderColumn = 1 AND @orderdir = 'asc' THEN #tempCategory.[name] END ASC,
CASE WHEN @orderColumn = 2 AND @orderdir = 'desc' THEN #tempCategory.[name] END DESC,
CASE WHEN @orderColumn = 2 AND @orderdir = 'asc' THEN #tempCategory.[name] END ASC
select count(*) from #tempCategory
END
STEP:3 (AJAX Page) C# form
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
using System.Configuration;
using AppBlock;
using System.Data.SqlClient;
using Newtonsoft.Json;
namespace alfest.Ajax
{
public partial class Category : System.Web.UI.Page
{
string mode, option, user, limit, start, searchKey, orderByColumn, orderByDir, estMstSrno, pnlsrno, draw, jsonString;
CommonClass cmnCls = new CommonClass();
protected void Page_Load(object sender, EventArgs e)
{
mode = Request.QueryString["mode"] == null ? "" : Request.QueryString["mode"].ToString();
option = Request.QueryString["option"] == null ? "" : Request.QueryString["option"].ToString();
limit = Request.QueryString["length"] == null ? "" : Request.QueryString["length"].ToString();
start = Request.QueryString["start"] == null ? "" : Request.QueryString["start"].ToString();
user = Request.QueryString["user"] == null ? "" : Request.QueryString["user"].ToString();
searchKey = Request.QueryString["search[value]"] == null ? "" : Request.QueryString["search[value]"].ToString();
orderByColumn = Request.QueryString["order[0][column]"] == null ? "" : Request.QueryString["order[0][column]"].ToString();
orderByDir = Request.QueryString["order[0][dir]"] == null ? "" : Request.QueryString["order[0][dir]"].ToString();
estMstSrno = Request.QueryString["estMstSrno"] == null ? "" : Request.QueryString["estMstSrno"].ToString();
pnlsrno = Request.QueryString["pnlsrno"] == null ? "" : Request.QueryString["pnlsrno"].ToString();
draw = Request.QueryString["draw"] == null ? "" : Request.QueryString["draw"].ToString();
// Cls_Category CatgObj = new Cls_Category();
// CatgObj.orderColumn = Convert.ToInt32(orderByColumn);
// CatgObj.limit = Convert.ToInt32(limit);
// CatgObj.orderDir = orderByDir;
// CatgObj.start = Convert.ToInt32(start);
// CatgObj.searchKey = searchKey;
// CatgObj.option = "GetAllAdminCategory";
// or user your own method to get data (just fill the dataset)
// DataSet ds = cmnCls.PRC_category(CatgObj);
dynamic newtonresult = new
{
status = "success",
draw = Convert.ToInt32(draw == "" ? "0" : draw),
recordsTotal = ds.Tables[1].Rows[0][0],
recordsFiltered = ds.Tables[1].Rows[0][0],
data = ds.Tables[0]
};
jsonString = JsonConvert.SerializeObject(newtonresult);
Response.Clear();
Response.ContentType = "application/json";
Response.Write(jsonString);
}
}
}
FINAL RESULT :