how to perform NESTED IF ELSE in asp.net | sradha webcreations

how to perform NESTED IF ELSE in asp.net 

NESTED IF ELSE
ENTER A NUMBER
OUTPUT
	SAVE

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Configuration;

using System.Data;

using System.Data.SqlClient;

using System.Web.Security;

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

{

    protected void Page_Load(object sender, EventArgs e)

    {

    }

    protected void ButtonSAVE_Click(object sender, EventArgs e)

    {

        string connectionstring=ConfigurationManager.ConnectionStrings ["dbconnection"].ConnectionString;

        string insertsql = "insert into nestedif(enternumber,output)values(@enternumber,@output)";

        using (SqlConnection myconnection = new SqlConnection(connectionstring))

        {

            myconnection.Open();

            SqlCommand mycommand = new SqlCommand(insertsql,myconnection);

            mycommand.Parameters.AddWithValue("@enteranumber",TextBoxNUMBER.Text);

            mycommand.Parameters.AddWithValue("@output",TextBox2.Text);

            mycommand.ExecuteNonQuery();

            myconnection.Close();

        }

        TextBoxNUMBER.Text=string.Empty;

        TextBox2.Text=string.Empty;

        }

  protected void TextBoxNUMBER_TextChanged(object sender, EventArgs e)

    {

        int iDay = Convert.ToInt32(TextBoxNUMBER.Text);

        if (iDay == 1)

        {

            TextBox2.Text = "SUNDAY";

        }

        else if (iDay == 2)

        {

           TextBox2.Text = "MONDAY";

        }

        else if (iDay == 3)

        {

            TextBox2.Text = "TUESDAY";

        }

        else if (iDay == 4)

        {

            TextBox2.Text = "WEDNESDAY";

        }

        else if (iDay == 5)

        {

            TextBox2.Text = "THURSDAY";

        }

        else if (iDay == 6)

        {

            TextBox2.Text = "FRIDAY";

        }

        else if (iDay == 7)

        {

            TextBox2.Text = "SATURDAY";

        }

        else

        {

            TextBox2.Text = "invalid entry";

        }

    }

}

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