gridview edit mode programmatically

I have a basic gridview to which I am binding the data from the code behind from a SQL stored procedure.

<asp:GridView ID="gvCheckResults" runat="server" 
        OnRowDataBound="gvCheckResults_RowDataBound" 
        RowStyle-CssClass="gridViewRow" 
        CssClass="gridView"
        AlternatingRowStyle-CssClass="gridViewAlternatingRow" 
        HeaderStyle-CssClass="gridViewHeader">
    </asp:GridView>

Databind:

gvCheckResults.DataSource = dataContext.GetResults(Name, Address);
gvCheckResults.DataBind();

if (!IsPostBack)
{
    //Add Edit column.
    CommandField cField = new CommandField();
    cField.EditText = "Edit";
    cField.ShowEditButton = true;
    gvCheckResults.Columns.Insert(0, cField);
}

How can I programmatically add Edit button to each result row?
I know how to do it when the datasource object is setup in the aspx page, but never done it programmatically.

Answers:

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Method 1

Try Like this

<asp:TemplateField HeaderText="Edit>
    <ItemTemplate>
        <asp:LinkButton Id="lnkEdit" runat="server" CommandName="Edit" Text="Edit"/>
    </ItemTemplate>
    <EditItemTemplate>
        <asp:LinkButton Id="lnkEdit" runat="server" CommandName="Update" Text="Update"/>
        <asp:LinkButton Id="LinkButton1" runat="server" CommandName="Cancel" Text="Cancel"/>
    </EditItemTemplate>
</asp:TemplateField>

OnRowEditEvent() set the gridview edit index to e.newrowindex and bind it again like this.

protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e)
{
    GridView1.EditIndex = e.NewEditIndex;
    GridView1.DataBind();
}

protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e)
{
    //Write code TO UPDATE YOUR DATABESE THEN WRITE BELOW CODE IN LAST
    // To Find Text of TextBox to get updated value....you get it in string like this.
    //string strName = ((TextBox)grdview1.Rows[e.RowIndex].Cells[YourColumnIndexInWhichTexBoxAppear].Controls[0]).Text;
    GridView1.EditIndex = -1;
    GridView1.DataBind();
}

protected void GridView1_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)
{
    GridView1.EditIndex = -1;
    GridView1.DataBind();
}

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