Saturday, 30 August 2014

How to Check One or More then One GridView Rows In ASP.NET.


Objective:-Write a Programme In ASP.NET to Check One or More then One GridView Rows using jQuery.

STEPS :-
STEP:- 1  CREATE NEW PROJECT.
Go to File -> New -> Project -> Select asp.net web forms application -> Entry Application Name -> Click OK.
STEP:-2 Attach  "jquery-1.7.1.min" file in Scripts Folder




********HTML Code***************

  1. <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
  2. <html xmlns="http://www.w3.org/1999/xhtml">
  3. <head id="Head1" runat="server">
  4.     <title>Check Uncheck all Checkbox in GridView</title>
  5.     <style type="text/css">
  6.     body
  7.     {
  8.         font-family: Arial;
  9.         font-size : 10pt;
  10.     }
  11.     .links
  12.     {
  13.         font-weight: bold;
  14.     }
  15.     </style>

  17.     <script type="text/javascript" src="Scripts/jquery-1.7.1.min.js"></script>

  19.     <script type="text/javascript" language="javascript">
  20.     $(document).ready(function() 
  21.     {
  22.         $('#<%=gdRows.ClientID %>').find('input:checkbox[id$="chkParent"]').click(function() {
  23.             var isChecked = $(this).prop("checked");
  24.             $("#<%=gdRows.ClientID %> [id*=chkSelect]:checkbox").prop('checked',isChecked);
  25.         });  
  26.         
  27.         $('#<%=gdRows.ClientID %>').find('input:checkbox[id$="chkSelect"]').click(function() {
  28.             var flag = true;
  29.             $("#<%=gdRows.ClientID %> [id*=chkSelect]:checkbox").each(function() {
  30.                 if($(this).prop("checked") == false)
  31.                     flag = false;
  32.             });
  33.             $("#<%=gdRows.ClientID %> [id*=chkParent]:checkbox").prop('checked',flag);
  34.         });     
  35.     });
  36.     </script>

  38. </head>
  39. <body>
  40.     <form id="form1" runat="server">
  41.         <br />
  42.         <br />
  43.         <asp:GridView ID="gdRows" runat="server" BackColor="LightGoldenrodYellow" BorderColor="Tan"
  44.             BorderWidth="1px" CellPadding="6" Font-Names="Arial" Font-Size="Small" GridLines="None"
  45.             AutoGenerateColumns="False" ForeColor="Black" Width="36%">
  46.             <FooterStyle BackColor="Tan" />
  47.             <PagerStyle BackColor="PaleGoldenrod" ForeColor="DarkSlateBlue" HorizontalAlign="Center" />
  48.             <SelectedRowStyle BackColor="DarkSlateBlue" ForeColor="GhostWhite" />
  49.             <HeaderStyle BackColor="Tan" Font-Bold="True" HorizontalAlign="Left" />
  50.             <AlternatingRowStyle BackColor="PaleGoldenrod" />
  51.             <RowStyle HorizontalAlign="Left" />
  52.             <Columns>
  53.                 <asp:TemplateField HeaderText=" ">
  54.                     <HeaderTemplate>
  55.                         <asp:CheckBox ID="chkParent" runat="server" />
  56.                     </HeaderTemplate>
  57.                     <ItemTemplate>
  58.                         <asp:CheckBox ID="chkSelect" runat="server" />
  59.                     </ItemTemplate>
  60.                 </asp:TemplateField>
  61.                 <asp:BoundField ShowHeader="true" DataField="ID" HeaderText="ID"></asp:BoundField>
  62.                 <asp:BoundField ShowHeader="true" DataField="ProductName" HeaderText="Product Name">
  63.                 </asp:BoundField>
  64.                 <asp:BoundField ShowHeader="true" DataField="Quantity" HeaderText="Quantity"></asp:BoundField>
  65.                 <asp:BoundField ShowHeader="true" DataField="Price" HeaderText="Price"></asp:BoundField>
  66.             </Columns>
  67.         </asp:GridView>
  68.     </form>
  69. </body>
  70. </html>





********C# Code***************

  1. using System;
  2. using System.Data;
  3. using System.Configuration;
  4. using System.Web;
  5. using System.Web.Security;
  6. using System.Web.UI;
  7. using System.Web.UI.WebControls;
  8. using System.Web.UI.WebControls.WebParts;
  9. using System.Web.UI.HtmlControls;

  11. public partial class _Default : System.Web.UI.Page
  12. {
  13.     protected void Page_Load(object sender, EventArgs e)
  14.     {
  15.         if (!IsPostBack)
  16.             BindGrid();
  17.     }

  19.     private void BindGrid()
  20.     {
  21.         DataTable dt = new DataTable();
  22.         DataColumn dc;
  23.         dc = new DataColumn();
  24.         dc.ColumnName = "ID";
  25.         dc.DataType = System.Type.GetType("System.Int32");
  26.         dt.Columns.Add(dc);

  28.         dc = new DataColumn();
  29.         dc.ColumnName = "ProductName";
  30.         dt.Columns.Add(dc);

  32.         dc = new DataColumn();
  33.         dc.ColumnName = "Quantity";
  34.         dc.DataType = System.Type.GetType("System.Int32");
  35.         dt.Columns.Add(dc);

  37.         dc = new DataColumn();
  38.         dc.ColumnName = "Price";
  39.         dc.DataType = System.Type.GetType("System.Int32");
  40.         dt.Columns.Add(dc);


  43.         DataRow dr;
  44.         dr = dt.NewRow();
  45.         dr["ID"] = 1;
  46.         dr["ProductName"] = "Mouse";
  47.         dr["Quantity"] = 10;
  48.         dr["Price"] = 100;
  49.         dt.Rows.Add(dr);

  51.         dr = dt.NewRow();
  52.         dr["ID"] = 2;
  53.         dr["ProductName"] = "Speaker";
  54.         dr["Quantity"] = 15;
  55.         dr["Price"] = 990;
  56.         dt.Rows.Add(dr);

  58.         dr = dt.NewRow();
  59.         dr["ID"] = 3;
  60.         dr["ProductName"] = "Hard Drive";
  61.         dr["Quantity"] = 35;
  62.         dr["Price"] = 3990;
  63.         dt.Rows.Add(dr);

  65.         dr = dt.NewRow();
  66.         dr["ID"] = 4;
  67.         dr["ProductName"] = "RAM";
  68.         dr["Quantity"] = 22;
  69.         dr["Price"] = 399;
  70.         dt.Rows.Add(dr);

  72.         dr = dt.NewRow();
  73.         dr["ID"] = 5;
  74.         dr["ProductName"] = "Wireless Keyboard";
  75.         dr["Quantity"] = 10;
  76.         dr["Price"] = 3500;
  77.         dt.Rows.Add(dr);

  79.         dr = dt.NewRow();
  80.         dr["ID"] = 6;
  81.         dr["ProductName"] = "Wi-Fi Router";
  82.         dr["Quantity"] = 1;
  83.         dr["Price"] = 3990;
  84.         dt.Rows.Add(dr);

  86.         dr = dt.NewRow();
  87.         dr["ID"] = 7;
  88.         dr["ProductName"] = "LCD";
  89.         dr["Quantity"] = 62;
  90.         dr["Price"] = 3000;
  91.         dt.Rows.Add(dr);

  93.         dr = dt.NewRow();
  94.         dr["ID"] = 8;
  95.         dr["ProductName"] = "Intel Processor";
  96.         dr["Quantity"] = 5;
  97.         dr["Price"] = 7000;
  98.         dt.Rows.Add(dr);

  100.         dr = dt.NewRow();
  101.         dr["ID"] = 9;
  102.         dr["ProductName"] = "Monitor";
  103.         dr["Quantity"] = 25;
  104.         dr["Price"] = 1990;
  105.         dt.Rows.Add(dr);

  107.         dr = dt.NewRow();
  108.         dr["ID"] = 10;
  109.         dr["ProductName"] = "Keyboard";
  110.         dr["Quantity"] = 20;
  111.         dr["Price"] = 350;
  112.         dt.Rows.Add(dr);

  114.         dr = dt.NewRow();
  115.         dr["ID"] = 11;
  116.         dr["ProductName"] = "headphones";
  117.         dr["Quantity"] = 12;
  118.         dr["Price"] = 500;
  119.         dt.Rows.Add(dr);

  121.         gdRows.DataSource = dt;
  122.         gdRows.DataBind();

  124.     }
  125. }
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