Cara tenta assim!
<%@ Page Title="" Language="C#" MasterPageFile="~/Site.master" AutoEventWireup="true"
CodeFile="ManipulandoGridView.aspx.cs" Inherits="ExemplosMSDN_ManipulandoGridView" %>
<asp:Content ID="Content1" ContentPlaceHolderID="HeadContent" runat="Server">
</asp:Content>
<asp:Content ID="Content2" ContentPlaceHolderID="MainContent" runat="Server">
<asp:UpdatePanel ID="UpdatePanel1" runat="server">
<ContentTemplate>
<asp:GridView ID="gvAddItem" runat="server" AutoGenerateColumns="False">
<Columns>
<asp:CommandField ShowEditButton="True" ShowSelectButton="True" />
<asp:TemplateField HeaderText="Nome">
<EditItemTemplate>
<asp:TextBox ID="txtNome" runat="server" Text='<%# Eval("Nome") %>' />
</EditItemTemplate>
<ItemTemplate>
<asp:Label ID="lblNome" runat="server" Text='<%# Eval("Nome") %>' />
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="E-mail">
<EditItemTemplate>
<asp:TextBox ID="txtEmail" runat="server" Text='<%# Eval("Email") %>' />
</EditItemTemplate>
<ItemTemplate>
<asp:Label ID="lblEmail" runat="server" Text='<%# Eval("Email") %>' />
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
<br />
<asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="Button" />
</ContentTemplate>
</asp:UpdatePanel>
</asp:Content>
cod.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
public partial class ExemplosMSDN_ManipulandoGridView : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void Button1_Click(object sender, EventArgs e)
{
DataTable tb = new DataTable();
if (Session["tbl"] != null)
tb = Session["tbl"] as DataTable;
else
{
tb.Columns.Add("Nome", typeof(string));
tb.Columns.Add("Email", typeof(string));
}
DataRow row;
row = tb.NewRow();
row["Nome"] = "nome";
row["Email"] = "Email";
tb.Rows.Add(row);
gvAddItem.DataSource = tb;
gvAddItem.DataBind();
Session["tbl"] = tb;
}
}
att.
