GridView Data Control in ASP.net Example — ASP.Net — ASP.Net Example
ASP.Net Example-GridView Data Control in ASP.net Example

Sunday, April 24, 2011

GridView Data Control in ASP.net Example

For ASP.net Beginner
ToolBox in that Data in that GridView Pick up and Drag that Control to ASPX page.
Which is Look Like This Image


Click on in Image  > Tag
GridView Tasks
Edit Columns
New Menu open Fields
Uncheck Option Auto-generates Fields and
select Template Fields from Fields Add that You want do display columns
After that in
GridView Tasks -> Select Edit Template

now Drag standard e.g label Item Template and  > tag give Edit databindings  in that text code expression
textbox write Bind("database filedName e.g Name")
than ok
end now do for allow flelds which you want to display in gridview
I have you 3 tire architecture.
DataLayer.cs

using System;
using System.Data;
using System.Configuration;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Data.SqlClient;

public class datalayer
{
    SqlConnection con;
    SqlDataAdapter da;
    DataSet ds;
    SqlCommand cmd;
 public datalayer()
 {
        con = new SqlConnection(ConfigurationManager.ConnectionStrings["conn"].ConnectionString);

 }
    public DataSet select()
    {
        da = new SqlDataAdapter("sp_select", con);
        ds = new DataSet();
        da.Fill(ds);
        return ds;
    }
    public void delete(int i)
    {
        cmd = new SqlCommand("delete from resord where id=@id");
        cmd.CommandType = CommandType.Text;
        cmd.Connection = con;
        cmd.Parameters.AddWithValue("id", i);
        con.Open();
        cmd.ExecuteNonQuery();
        con.Close();
    }
    public void update(logiclayer li)
    {
        cmd = new SqlCommand("update resord set fname=@Fname,lname=@lname,city=@city where id=@id");
        cmd.Connection = con;
        cmd.Parameters.AddWithValue("id", li.id);
        cmd.Parameters.AddWithValue("fname", li.fname);
        cmd.Parameters.AddWithValue("lname", li.lname);
        cmd.Parameters.AddWithValue("city", li.city);
        con.Open();
        cmd.ExecuteNonQuery();
        con.Close();
    }
    public void insert(logiclayer li)
    {
        cmd = new SqlCommand("sp_insert");
        cmd.CommandType = CommandType.StoredProcedure;
        cmd.Connection = con;
        cmd.Parameters.AddWithValue("id", li.id);
        cmd.Parameters.AddWithValue("fname", li.fname);
        cmd.Parameters.AddWithValue("lname", li.lname);
        cmd.Parameters.AddWithValue("city", li.city);
        con.Open();
        cmd.ExecuteNonQuery();
        con.Close();
    }
}

LogicLayer.cs
using System;
using System.Data;
using System.Configuration;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;

/// 
/// Summary description for logiclayer
/// 
public class logiclayer
{
    datalayer d = new datalayer();
    public int id { set; get; }
    public string fname { set; get; }
    public string lname { set; get; }
    public string city { set;get;}


 public logiclayer()
 {
  
 }
    public DataSet select()
    {
      return   d.select();
    }
    public void delete(int i)
    {
        d.delete(i);
    
    }
    public void update(logiclayer li)
    {
        d.update(li);
    }
    public void insert(logiclayer li)
    {
        d.insert(li);
    }

}




GridView.ASPX
<%@ Page Language="C#" AutoEventWireup="true"  CodeFile="Default.aspx.cs" Inherits="_Default" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title>Untitled Page</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
     ID   <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox><br />
       FName <asp:TextBox ID="TextBox2" runat="server"></asp:TextBox><br />
        Lname<asp:TextBox ID="TextBox3" runat="server"></asp:TextBox><br />
      City  <asp:TextBox ID="TextBox4" runat="server"></asp:TextBox><br />
        <asp:Button ID="Button1" runat="server" Text="save" onclick="Button1_Click" />
        <asp:Button ID="Button2" runat="server" Text="delete" />
        <asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" 
            AutoGenerateDeleteButton="True" AutoGenerateEditButton="True" 
            BackColor="LightGoldenrodYellow" BorderColor="Tan" BorderWidth="1px" 
            CellPadding="2" ForeColor="Black" GridLines="None" 
            onrowcancelingedit="GridView1_RowCancelingEdit" 
            onrowdeleting="GridView1_RowDeleting" onrowediting="GridView1_RowEditing" 
            onrowupdating="GridView1_RowUpdating">
            <FooterStyle BackColor="Tan" />
            <Columns>
                <asp:TemplateField>
                    <EditItemTemplate>
     <asp:TextBox ID="TextBox5" runat="server" Text='<%# Bind("id") %>'></asp:TextBox>
                    </EditItemTemplate>
                    <HeaderTemplate>
                        ID
                    </HeaderTemplate>
                    <ItemTemplate>
           <asp:CheckBox ID="CheckBox1" runat="server" />
      <asp:Label ID="Label1" runat="server" Text='<%# Bind("id") %>'></asp:Label>
                    </ItemTemplate>
                </asp:TemplateField>
                <asp:TemplateField>
                    <EditItemTemplate>
   <asp:TextBox ID="TextBox6" runat="server" Text='<%# Bind("fname") %>'></asp:TextBox>
                    </EditItemTemplate>
                    <HeaderTemplate>
                        Fname
                    </HeaderTemplate>
                    <ItemTemplate>
  <asp:Label ID="Label2" runat="server" Text='<%# Bind("fname") %>'></asp:Label>
                    </ItemTemplate>
                </asp:TemplateField>
                <asp:TemplateField>
                    <EditItemTemplate>
                        <asp:TextBox ID="TextBox7" runat="server" Text='<%# Bind("lname") %>'></asp:TextBox>
                    </EditItemTemplate>
                    <HeaderTemplate>
                        Lname
                    </HeaderTemplate>
                    <ItemTemplate>
                        <asp:Label ID="Label3" runat="server" Text='<%# Bind("lname") %>'></asp:Label>
                    </ItemTemplate>
                </asp:TemplateField>
                <asp:TemplateField>
                    <EditItemTemplate>
                        <asp:TextBox ID="TextBox8" runat="server" Text='<%# Bind("city") %>'></asp:TextBox>
                    </EditItemTemplate>
                    <HeaderTemplate>
                        City
                    </HeaderTemplate>
                    <ItemTemplate>
                        <asp:Label ID="Label4" runat="server" Text='<%# bind("city") %>'></asp:Label>
                    </ItemTemplate>
                </asp:TemplateField>
                <asp:TemplateField>
                    <ItemTemplate>
                        <asp:Image ID="Image1" runat="server" ImageUrl='<%# Bind("image") %>' Height="20px" Width="20px" />
                    </ItemTemplate>
                </asp:TemplateField>
            </Columns>
            <PagerStyle BackColor="PaleGoldenrod" ForeColor="DarkSlateBlue" 
                HorizontalAlign="Center" />
            <SelectedRowStyle BackColor="DarkSlateBlue" ForeColor="GhostWhite" />
            <HeaderStyle BackColor="Tan" Font-Bold="True" />
            <AlternatingRowStyle BackColor="PaleGoldenrod" />
        </asp:GridView>
    </div>
    <asp:Button ID="Button3" runat="server" Text="delete" onclick="Button3_Click" />
    </form>
</body>
</html>


GridView.ASPX.cs
using System;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;

public partial class _Default : System.Web.UI.Page 
{
    logiclayer li = new logiclayer();
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            fillgrid();
        }
    }
    public void fillgrid()
     {
         GridView1.DataSource = li.select();
         GridView1.DataBind();
    
    }
    protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
    {
        int  s =Convert.ToInt32(((Label)GridView1.Rows[e.RowIndex].FindControl("Label1")).Text );
        li.delete(s);
        fillgrid();
    }
    protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e)
    {
        GridView1.EditIndex = e.NewEditIndex;
        fillgrid();
    }
    protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e)
    {
        int id = Convert.ToInt32(((TextBox)GridView1.Rows[e.RowIndex].FindControl("textBox5")).Text); 
        string fname = ((TextBox)GridView1.Rows[e.RowIndex].FindControl("TextBox6")).Text;
        string lname = ((TextBox)GridView1.Rows[e.RowIndex].FindControl("TextBox7")).Text;
        string city = ((TextBox)GridView1.Rows[e.RowIndex].FindControl("TextBox8")).Text;
        li.id = id;
        li.fname = fname;
        li.lname = lname;
        li.city = city;
        li.update(li);
        GridView1.EditIndex = -1;
        fillgrid();

    }
    protected void GridView1_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)
    {
        GridView1.EditIndex = -1;
        fillgrid();
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        li.id =Convert.ToInt32(TextBox1.Text);
        li.fname = TextBox2.Text;
        li.lname = TextBox3.Text;
        li.city = TextBox4.Text;
        li.insert(li); 
        fillgrid();
    }
    protected void Button3_Click(object sender, EventArgs e)
    {
        for (int i = 0; i < GridView1.Rows.Count; i++)
        {

            CheckBox ck = ((CheckBox)GridView1.Rows[i].Cells[1].FindControl("CheckBox1"));
            if (ck.Checked)
            {
                int id = Convert.ToInt32(((Label)GridView1.Rows[i].FindControl("Label1")).Text);
                li.id = id;
                li.delete(id);
            
            }
    }
        fillgrid();
    }
    
}

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