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Responsive jQuery News Ticker with Bootstrap in Asp.net Repeater

(Create A Vertical Scrolling News Ticker With jQuery in ASP.NET) - Khi bạn có một danh sách thông báo, công việc dài mà không gian để hiển thị ít bạn nghĩ ngay đến giải pháp Marquee. Giải pháp Marquee sẽ giúp bạn cuộn: hình ảnh, văn bản, bảng biểu lên trên, xuống dưới, sang phải hoặc sang trái. Hôm nay chúng tôi sẽ giới thiệu với các bạn 1 plugin để có thể giúp bạn giải quyết vấn đề hiển thị đầy đủ nội dung trong một không gian hẹp, và giải pháp chúng tôi muốn nhắc đến đó là jQuery News Ticker Bootstrap. Dưới đây là các bước thực hiện.


Xem những Video hay dành cho thiếu nhi - Nghe trên Youtube



Code Example C#, Code Example VB.NET
Code Example C#, Code Example VB.NET



B1: Tạo CSDL Demo_Tasks trong SQL Server

B2: Tạo Bảng Tasks có cấu trúc phía dưới


B3: Nhập dữ liệu cho bảng Tasks

B4: Tạo stored procedure trong SQL Server

CREATE PROCEDURE [dbo].[Pro_Tasks_List]
      @Keyword nvarchar(250),
      @IsViewed int,
      @SortField nvarchar(50),
      @SortType nvarchar(10)
AS

declare @strSQL   nvarchar(1000)
declare @strWhere nvarchar(500)
declare @strOrder nvarchar (50)

set @strSQL= 'Select *  from Tasks'
set @strWhere =' Where 1=1 '

if @Keyword<>''
      set @strWhere= @strWhere  +' And (TaskName like N''%' + @Keyword+'%'')'

if @IsRead=1
    set @strSubWhere= @strSubWhere  +' and Tasks.IsClosed=1'
if @IsRead=0
    set @strSubWhere= @strSubWhere  +' and (Tasks.IsDelete=0 Or CRM_Contract.IsDelete Is Null)'

if @SortField='CreatedDate'
      Begin
            set @strOrder =' Order by CreatedDate'
      End
Else
      Begin
            set @strOrder =' Order by TaskName'
      End

set @strSQL=@strSQL+@strWhere+@strOrder+ ' '+ @SortType
print @strSQL

exec sp_executesql @strSQL

Bạn có thể tải về bảng cơ sở dữ liệu SQL bằng cách nhấn vào liên kết tải về dưới đây


B5: Tạo Project trong Microsoft Visual Studio 2010

Trong Visual Studio tạo 1 Class có tên: Utility và nhập đoạn Code phía dưới cho Class này.
C# Code
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Data.SqlClient;
using System.Data;
using System.Configuration;

namespace jQueryBootstrapNewsBox
{
    public class SqlDataProvider
    {
        #region "Membres Prives"

        private string _connectionString;

        #endregion

        #region "Constructeurs"

        public SqlDataProvider()
        {
            try
            {
                _connectionString = ConfigurationManager.ConnectionStrings["SiteSqlServer"].ConnectionString;
            }
            catch
            {
            }
        }

        #endregion

        #region "Proprietes"

        public string ConnectionString
        {
            get { return _connectionString; }
        }

        #endregion

        #region "Functions"

        public DataTable FillTable(string sql)
        {
            try
            {
                DataTable tb = new DataTable();
                SqlDataAdapter adap = new SqlDataAdapter(sql, _connectionString);
                adap.Fill(tb);
                return tb;
            }
            catch
            {
                return null;
            }
        }

        #endregion
    }
}

VB.NET Code
Imports System.Data.SqlClient
Imports System.Data

Namespace jQueryBootstrapNewsBox

    Public Class SqlDataProvider

#Region "Membres Prives"

        Shared _IsError As Boolean = False
        Private _connectionString As String

#End Region

#Region "Constructeurs"

        Public Sub New()
            Try
                _connectionString = ConfigurationManager.ConnectionStrings("SiteSqlServer").ConnectionString
                _IsError = False
            Catch ex As Exception
                _IsError = True
            End Try
        End Sub

#End Region

#Region "Proprietes"

        Public ReadOnly Property ConnectionString() As String
            Get
                Return _connectionString
            End Get
        End Property

#End Region

#Region "Functions"

        Public Function FillTable(ByVal sql As String) As DataTable
            Try
                Dim tb As New DataTable
                Dim adap As New SqlDataAdapter(sql, _connectionString)
                adap.Fill(tb)
                Return tb
            Catch ex As Exception
                Return Nothing
            End Try
        End Function

#End Region

    End Class

End Namespace

Chú ý: Thuộc tính SiteSqlServer chính là chuỗi Connect với SQL Server trong file Web.Config

- B6: Tạo thư mục Js, Download file jquery.bootstrap.newsbox.js và copy vào thư mục Js

- B7: Mở file Site.Master dưới dạng HTML, nhập thêm các thông tin phía dưới thẻ Head
<head runat="server">
    <title>jQuery Bootstrap News Box Plugin in ASP.Net</title>
    <link href="~/Styles/Site.css" rel="stylesheet" type="text/css" />
    <link rel="stylesheet" href="http://netdna.bootstrapcdn.com/bootstrap/3.1.0/css/bootstrap.min.css" />
    <link rel="stylesheet" href="http://netdna.bootstrapcdn.com/bootstrap/3.1.0/css/bootstrap-theme.min.css" />
    <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js"></script>
    <script src="Js/jquery.bootstrap.newsbox.min.js" type="text/javascript"></script>
    <asp:ContentPlaceHolder ID="HeadContent" runat="server">
    </asp:ContentPlaceHolder>
</head>

B8: Mở file Default.aspx dưới dạng HTML và  nhập mã HTML
C# Code
<%@ Page Title="jQuery Bootstrap News Box Plugin in ASP.Net" Language="C#" MasterPageFile="~/Site.master" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="jQueryBootstrapNewsBox._Default" %>
<asp:Content ID="HeaderContent" runat="server" ContentPlaceHolderID="HeadContent">
</asp:Content>
<asp:Content ID="BodyContent" runat="server" ContentPlaceHolderID="MainContent">
    <h3>
        jQuery Bootstrap News Box Plugin in ASP.Net
    </h3>
    <div class="panel panel-default" style="width:50%;">
        <div class="panel-heading"> <span class="glyphicon glyphicon-list-alt"></span><b>&nbsp;News</b></div>
            <div class="panel-body">
                <div class="row">
                    <div class="col-xs-12">
                    <ul class="news">
                        <asp:Repeater ID="rptNews" runat="server">
                            <ItemTemplate>
                                <li class="news-item">
                                    <table cellpadding="0" cellspacing="0" width="100%">
                                        <tr>
                                            <td>
                                                <asp:Image id="imgIcon" runat="server" class="img-circle" ImageUrl="Images/gray-arrow.gif" ImageAlign="Middle" hspace="0" vspace="0"></asp:Image>&nbsp;
                                                <b><asp:Label ID="lblName" Text='<%# Eval("TaskName") %>' Runat="server"  /></b>
                                            </td>
                                        </tr>
                                        <tr>
                                            <td>
                                                <asp:Label ID="lblDescription" Text='<%# FormatDescription(Eval("Description").ToString()) %>' Runat="server"  />
                                                <a href="#">Read more...</a>
                                            </td>
                                        </tr>
                                    </table>
                                </li>
                            </ItemTemplate>
                        </asp:Repeater>
                    </ul>
                </div>
            </div>
        </div>
        <div class="panel-footer"></div>
    </div>
    <script type="text/javascript">
        $(function () {
            $(".news").bootstrapNews({
                newsPerPage: 3,
                autoplay: true,
                pauseOnHover: true,
                direction: 'up',
                newsTickerInterval: 4000,
                onToDo: function () {
                }
            });
        });
    </script>
</asp:Content>

VB.NET Code
<%@ Page Title="jQuery Bootstrap News Box Plugin in ASP.Net" Language="vb" MasterPageFile="~/Site.Master" AutoEventWireup="false" CodeBehind="Default.aspx.vb" Inherits="jQueryBootstrapNewsBox._Default" %>
<asp:Content ID="HeaderContent" runat="server" ContentPlaceHolderID="HeadContent">
</asp:Content>
<asp:Content ID="BodyContent" runat="server" ContentPlaceHolderID="MainContent">
    <h3>
        jQuery Bootstrap News Box Plugin in ASP.Net
    </h3>
    <div class="panel panel-default" style="width:50%;">
        <div class="panel-heading"> <span class="glyphicon glyphicon-list-alt"></span><b>&nbsp;News</b></div>
            <div class="panel-body">
                <div class="row">
                    <div class="col-xs-12">
                    <ul class="news">
                        <asp:Repeater ID="rptNews" runat="server">
                            <ItemTemplate>
                                <li class="news-item">
                                    <table cellpadding="0" cellspacing="0" width="100%">
                                        <tr>
                                            <td>
                                                <asp:Image id="imgIcon" runat="server" class="img-circle" ImageUrl="Images/gray-arrow.gif" ImageAlign="Middle" hspace="0" vspace="0"></asp:Image>&nbsp;
                                                <b><asp:Label ID="lblName" Text='<%# Eval("TaskName") %>' Runat="server"  /></b>
                                            </td>
                                        </tr>
                                        <tr>
                                            <td>
                                                <asp:Label ID="lblDescription" Text='<%# FormatDescription(Eval("Description")) %>' Runat="server"  />
                                                <a href="#">Read more...</a>
                                            </td>
                                        </tr>
                                    </table>
                                </li>
                            </ItemTemplate>
                        </asp:Repeater>
                    </ul>
                </div>
            </div>
        </div>
        <div class="panel-footer"></div>
    </div>
    <script type="text/javascript">
        $(function () {
            $(".news").bootstrapNews({
                newsPerPage: 3,
                autoplay: true,
                pauseOnHover: true,
                direction: 'up',
                newsTickerInterval: 4000,
                onToDo: function () {
                }
            });
        });
    </script>
</asp:Content>

B9: Viết Code cho file Default.aspx
C# Code
//Visit http://www.laptrinhdotnet.com for more ASP.NET Tutorials
using Microsoft.VisualBasic;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Data;
using System.IO;
using System.Diagnostics;
using System.Web.UI;

namespace jQueryBootstrapNewsBox
{
    public partial class _Default : System.Web.UI.Page
    {

        #region "Public Methods"

        protected string FormatDescription(string sDescription)
        {
            if (sDescription.Length > 150)
            {
                sDescription = sDescription.Substring(0, sDescription.LastIndexOf(" ", 150)) + "...";
            }
            return sDescription;
        }

        #endregion

        #region "Create Tasks"

        private void CreateTasks()
        {
            DataTable objBind = new DataTable();
            objBind = BindData();

            if (objBind != null)
            {
                if (objBind.Rows.Count > 0)
                {
                    rptNews.DataSource = objBind;
                    rptNews.DataBind();
                }
            }
        }

        #endregion

        #region "Bind Data"

        private DataTable BindData()
        {
            SqlDataProvider objSQL = new SqlDataProvider();
            DataTable objBind = objSQL.FillTable("Select * from Tasks");
            return objBind;
        }

        #endregion

        #region "Event Handles"

        protected void Page_Load(object sender, System.EventArgs e)
        {
            try
            {
                if (!IsPostBack)
                {
                    CreateTasks();
                }
            }
            catch
            {
            }
        }

        #endregion
    }
}

VB.NET Code
'Visit http://www.laptrinhdotnet.com for more ASP.NET Tutorials

Namespace jQueryBootstrapNewsBox

    Public Class _Default
        Inherits System.Web.UI.Page

#Region "Public Methods"

        Protected Function FormatDescription(ByVal sDescription As String) As String
            If sDescription.Length > 150 Then
                sDescription = sDescription.Substring(0, sDescription.LastIndexOf(" ", 150)) & "..."
            End If
            Return sDescription
        End Function

#End Region

#Region "Create Tasks"

        Private Sub CreateTasks()
            Dim objBind As New DataTable
            objBind = BindData()

            If Not objBind Is Nothing Then
                If objBind.Rows.Count > 0 Then
                    rptNews.DataSource = objBind
                    rptNews.DataBind()
                End If
            End If
        End Sub

#End Region

#Region "Bind Data"

        Private Function BindData() As DataTable
            Dim objSQL As New SqlDataProvider
            Dim objBind As DataTable = objSQL.FillTable("Select * from Tasks")
            Return objBind
        End Function

#End Region

#Region "Event Handles"

        Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
            Try
                If Page.IsPostBack = False Then
                    CreateTasks()
                End If
            Catch ex As Exception

            End Try
        End Sub

#End Region

    End Class

End Namespace

Chạy Project, sau 4s các thông tin công việc sẽ tự động được cuộn lên phía trên, người dùng cũng có thể sử dụng các nút lên hoặc xuống để xem danh sách.

Code Example C#, Code Example VB.NET
Code Example C#, Code Example VB.NET




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