Displaying Gridviews data onto the forms Text box

Displaying Gridviews data onto the forms Text box[^]


in this link you can get basic idea.

Try this...

<form id="form1" runat="server">
    <div>
        <asp:GridView ID="GridView2" runat="server" AutoGenerateColumns="False"
             AutoGenerateEditButton="True" onrowcancelingedit="GridView2_RowCancelingEdit" onrowediting="GridView2_RowEditing"
             >
            <Columns>
                <asp:TemplateField HeaderText="Name">
                    <EditItemTemplate>
                        <asp:TextBox ID="txtNameGrid" runat="server" Text ='<%# Bind("Name") %> ' ></asp:TextBox>
                    </EditItemTemplate>
                    <ItemTemplate>
                        <asp:Label ID="Label1" runat="server" Text='<%# Bind("Name") %> '></asp:Label>
                    </ItemTemplate>
                </asp:TemplateField>
                <asp:TemplateField HeaderText="Age">
                    <EditItemTemplate>
                        <asp:TextBox ID="txtAgeGrid" runat="server" Text = '<%# Bind("Age") %>'></asp:TextBox>
                    </EditItemTemplate>
                    <ItemTemplate>
                        <asp:Label ID="Label2" runat="server" Text='<%# Bind("Age") %> '></asp:Label>
                    </ItemTemplate>
                </asp:TemplateField>
            </Columns>
        </asp:GridView>
     </div>
     <div>
     <asp:TextBox ID="txtName" runat="server"></asp:TextBox>
     <asp:TextBox ID="txtAge" runat="server"></asp:TextBox>
     </div>
    </form>

public class Person
{
    public string Name { get; set; }
    public int Age { get; set; }
    public int key { get; set; }

}

public List<Person> obj = new List<Person>();
protected void Page_Load(object sender, EventArgs e)
{
obj = new List<Person>{(new Person{ Name = "ajai", Age = 50 ,key =10})};
obj.Add(new Person { Name = "Manoj", Age = 100, key = 20 });
obj.Add(new Person { Name = "Sanjay", Age = 150, key = 30 });

GridView2.DataSource = obj;
GridView2.DataBind();


}
protected void GridView2_RowEditing(object sender, GridViewEditEventArgs e)
{
GridView2.EditIndex = e.NewEditIndex;
GridView2.DataSource = obj;
GridView2.DataBind();
TextBox editName = (TextBox)GridView2.Rows[e.NewEditIndex].Cells[0].FindControl("txtNameGrid");
TextBox editAge = (TextBox)GridView2.Rows[e.NewEditIndex].Cells[1].FindControl("txtAgeGrid");
txtName.Text = editName.Text;
txtAge.Text = editAge.Text;
}
protected void GridView2_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)
{
GridView2.EditIndex = -1;
GridView2.DataSource = obj;
GridView2.DataBind();

}