ASP.NET

public ActionResult Index()
{
 SecurityCheck secCheck = ValidateConnection(this);

 if (secCheck != secCheck.Okay)
 {
  switch (secCheck)
  {
   case SecurityCheck.AuthenticationFailure:
    return RedirectToAction("Default", "ErrorHandler", new { message = "Not Authorized." });
    // and so on....
  }
 }
}

public ActionResult Index()
{
 SecurityCheck secCheck = ValidateConnection(this);

 if (secCheck != secCheck.Okay)
 {
  return SecurityRedirect.Routes[secCheck]; 
  // SecurityRedirect would be a static class that would contain
  // a dictonary of the how each security issue should be redirected.
 }
 else
 {
  return View();
 }
}

foreach (DataRow row in table.Rows)
{
    string txBoatRegNum = row.ItemArray[1] as string;
    string txTaxPayerRet = row.ItemArray[2] as string;

    if (txBoatRegNum != null & txTaxPayerRet != null)
    {
        if (string.IsNullOrEmpty(txTaxPayerRet))
        {
            txTaxPayerRet = "0";
        }
        SqlCommand aircmd = new SqlCommand("sp_savetInfo", conn);
        aircmd.CommandType = CommandType.StoredProcedure;
        aircmd.Parameters.AddWithValue("@pid", accountnumber.Text);
        aircmd.Parameters.AddWithValue("@eID", Request["pageId"]);
        aircmd.Parameters.AddWithValue("@txYr", txtTaxYr.Text);
        aircmd.Parameters.AddWithValue("@regno", txBoatRegNum);
        aircmd.Parameters.Add("@txretval", SqlDbType.Money).Value = decimal.Parse(txTaxPayerRet); //convert text back to money

        aircmd.ExecuteNonQuery();


        //Display some feedback to the user to let them know it was processed
        lblResult.ForeColor = System.Drawing.Color.Green;
        lblResult.Text = "Thank you! <br>You have successfully completed the form.";


        //If the message failed at some point, let the user know
        lblResult.ForeColor = System.Drawing.Color.Red;
        lblResult.Text = "Your form failed to save, please try again.";

    }
}

@{
    ViewBag.Title = "Index";
}

<h2>Index</h2>

<!-- HTML form with "Post" method initiated. -->
<form action="" method="post">

    Enter the 1st Number: <input id="firstInt" name="firstInt" type="text" value="0" /><br />
    Enter the 2nd Number: <input id="secondInt" name="secondInt" type="text" value="0" /><br />
    Enter the 3rd Number: <input id="thirdInt" name="thirdInt" type="text" value="0" /><br />

    <input id="Submit" type="submit" value="submit" />
    <input id="Reset" type="reset" value="reset" /><br /><br />
    Sum = @ViewBag.result
</form>

public class HomeController : Controller
    {
        // GET: Home
        // Integers initiated in the index parameters.
        public ActionResult Index(int firstInt = 0, int secondInt = 0, int thirdInt = 0)
        {
            // Calculates sum of the three integers, and then sends result to the View.
            int sum = firstInt + secondInt + thirdInt;
            ViewBag.result = sum;
            return View();
        }
    }

<asp:GridView ID="gvProducts" CssClass="gvOrders" Width="560px" PagerStyle-CssClass="pager"     OnRowCommand="gvProducts_RowCommand" HeaderStyle-CssClass="header" RowStyle-CssClass="rows" AllowPaging="true" AutoGenerateColumns="false" runat="server" DataSourceID="ObjectDataSource1" AllowSorting="True">
    <Columns>
        <asp:buttonfield buttontype="Button" HeaderStyle-BackColor="Transparent" commandname="Edit" 		headertext="Edit" text="Edit"/>
	<asp:buttonfield buttontype="Button" HeaderStyle-BackColor="Transparent" commandname="Delete" headertext="Delete" 		text="Delete"/>
	<asp:BoundField HeaderText="Product ID" DataField="ProductID" SortExpression="ProductID" />
	<asp:BoundField HeaderText="Units In Stock" DataField="UnitsInStock" SortExpression="UnitsInStock" />
	<asp:BoundField HeaderText="Units On Order" DataField="UnitsOnOrder" SortExpression="UnitsOnOrder" />
	<asp:BoundField HeaderText="Reorder Level" DataField="ReorderLevel" SortExpression="ReorderLevel" />
    </Columns>
</asp:GridView>

protected void gvProducts_RowCommand(object sender, GridViewCommandEventArgs e)
{
    switch (e.CommandName)
    {
        case "Edit":
            int index = Convert.ToInt32(e.CommandArgument);
            Button myButton = null;
            myButton = (Button)gvProducts.Rows[index].Cells[0].Controls[0];
            myButton.Text = "Save";
            return;
        case "Delete":
            return;
        default:
            return;
    }
}