In this blog we will know how to do a registration page using SqlParameter.

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="Registration._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>

<asp:Label ID="Label1" runat="server" Text="RegistrationNumber" Width='150'></asp:Label>

<asp:TextBox ID="RegistrationText" runat="server"></asp:TextBox>

<asp:RequiredFieldValidator ID="RequiredFieldValidator1" runat="server"

ControlToValidate="RegistrationText" ErrorMessage="RequiredFieldValidator">RegistrationNumber

Required</asp:RequiredFieldValidator>

<br />

<asp:Label ID="Label2" runat="server" Text="Make" Width='150'></asp:Label>

<asp:TextBox ID="MakeText" runat="server"></asp:TextBox>

<asp:RequiredFieldValidator ID="RequiredFieldValidator2" runat="server"

ControlToValidate="MakeText" ErrorMessage="RequiredFieldValidator">Make

Required</asp:RequiredFieldValidator>

<br />

<asp:Label ID="Label3" runat="server" Text="Model" Width='150'></asp:Label>

<asp:TextBox ID="ModelText" runat="server"></asp:TextBox>

<asp:RequiredFieldValidator ID="RequiredFieldValidator3" runat="server"

ControlToValidate="ModelText" ErrorMessage="RequiredFieldValidator">Model

Required</asp:RequiredFieldValidator>

<br />

<asp:Label ID="Label4" runat="server" Text="FuelTypes" Width='150'></asp:Label>

<asp:TextBox ID="FuelTypeText" runat="server"></asp:TextBox>

<asp:RequiredFieldValidator ID="RequiredFieldValidator4" runat="server"

ControlToValidate="FuelTypeText" ErrorMessage="RequiredFieldValidator">Fuel

type Required</asp:RequiredFieldValidator>

<br />

<asp:Label ID="Label5" runat="server" Text="Capacity" Width='150'></asp:Label>

<asp:TextBox ID="CapacityText" runat="server"></asp:TextBox>

<asp:RequiredFieldValidator ID="RequiredFieldValidator5" runat="server"

ControlToValidate="CapacityText" ErrorMessage="RequiredFieldValidator">Capacity

Required</asp:RequiredFieldValidator>

<br />

<asp:Label ID="Label6" runat="server" Text="Power" Width='150'></asp:Label>

<asp:TextBox ID="BhpText" runat="server"></asp:TextBox>

<asp:RequiredFieldValidator ID="RequiredFieldValidator6" runat="server"

ControlToValidate="BhpText" ErrorMessage="RequiredFieldValidator">Power

Required</asp:RequiredFieldValidator>

<br />

<asp:Label ID="Label7" runat="server" Text="Mileage" Width='150'></asp:Label>

<asp:TextBox ID="MileageText" runat="server"></asp:TextBox>

<asp:RequiredFieldValidator ID="RequiredFieldValidator7" runat="server"

ControlToValidate="MileageText" ErrorMessage="RequiredFieldValidator">Mileage

Required</asp:RequiredFieldValidator>

</div>

<asp:Button ID="btnadd" runat="server" onclick="btnadd_Click" Text="Register" />

</form>

</body>

</html>

using System;

using System.Collections;

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;

using System.Data.SqlClient;

namespace Registration

{

public partial class _Default : System.Web.UI.Page

{

string connStr = ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString;

SqlCommand com;

string str;

protected void btnadd_Click(object sender, EventArgs e)

{

ExecuteInsert(RegistrationText.Text, MakeText.Text, ModelText.Text, FuelTypeText.Text, CapacityText.Text, BhpText.Text, MileageText.Text);

Response.Write("Record was successfully added!");

clear();

}

private void ExecuteInsert(string RegistrationNumber, string Make, string Model, string FuelType, string Capacity, string Power, string Mileage)

{

SqlConnection con = new SqlConnection(connStr);

str = "INSERT INTO Vehicles (RegistrationNumber, Make, Model, FuelType, Capacity, Power, Mileage) VALUES (@RegistrationNumber, @Make, @Model, @FuelType, @Capacity, @Power, @Mileage)";

try

{

con.Open();

com = new SqlCommand(str, con);

SqlParameter[] param = new SqlParameter[7];

param[0] = new SqlParameter("@RegistrationNumber", SqlDbType.NVarChar, 10);

param[1] = new SqlParameter("@Make", SqlDbType.NVarChar, 30);

param[2] = new SqlParameter("@Model", SqlDbType.NVarChar, 30);

param[3] = new SqlParameter("@FuelType", SqlDbType.NVarChar, 10);

param[4] = new SqlParameter("@Capacity", SqlDbType.Int, 4);

param[5] = new SqlParameter("@Power", SqlDbType.Int, 4);

param[6] = new SqlParameter("@Mileage", SqlDbType.Int, 8);

param[0].Value = RegistrationNumber;

param[1].Value = Make;

param[2].Value = Model;

param[3].Value = FuelType;

param[4].Value = Capacity;

param[5].Value = Power;

param[6].Value = Mileage;

for (int i = 0; i < param.Length; i++)

{

com.Parameters.Add(param[i]);

}

com.CommandType = CommandType.Text;

com.ExecuteNonQuery();

}

catch (System.Data.SqlClient.SqlException ex)

{

string msg = "Insert Error:";

msg += ex.Message;

throw new Exception(msg);

}

finally

{

con.Close();

}

}

void clear()

{

RegistrationText.Text = "";

MakeText.Text = "";

ModelText.Text = "";

FuelTypeText.Text = "";

CapacityText.Text = "";

BhpText.Text = "";

MileageText.Text = "";

}

}

}

Thanks for reading