connect to database

I am using vb.net and I try to insert from my web in visual studio to my sql DB
but it does not work also there is no any Error
pleas help me

"
Imports System.Data
Imports System.Data.SqlClient

Partial Public Class _Default
Inherits System.Web.UI.Page

Protected Sub Button1_Click(sender As Object, e As System.EventArgs) Handles Button1.Click

    Dim con As New SqlConnection("Data Source=HALOMRAN-LT\SQLEXPRESS;Initial Catalog=soha;Integrated Security=True ;User Instance=True")
    
    Dim show As String = TextBox2.Text + "/" + DropDownList1.SelectedValue + "/" + DropDownList3.SelectedValue + "/" + DropDownList4.SelectedValue + "/" + TextBox3.Text

    Try

        'con.ConnectionString = "Data Source= HALOMRAN-LT\SQLEXPRESS; " & _
        ' "Database= soha ; " & _
        '" Integrated Security=true;" & _
        '" Persist Security Info=False;"

        Dim com As New SqlCommand
        com.CommandType = CommandType.Text
        com.Connection = con
        con.Open()
        com.CommandText = "INSERT INTO print(title,number-of-print,name-of-sector,number-of-sector,typ-of-print,form-of-print,time,edition,notes) VALUES (@v1,@v2,@v3,@v4,@v5,@v6,@v7,@v8,@v9)"
        com.Parameters.AddWithValue("@v1", TextBox1.Text)
        com.Parameters.AddWithValue("@v2", TextBox2.Text)
        com.Parameters.AddWithValue("@v3", DropDownList2.SelectedValue)
        com.Parameters.AddWithValue("@v4", DropDownList1.SelectedValue)
        com.Parameters.AddWithValue("@v5", DropDownList3.SelectedValue)
        com.Parameters.AddWithValue("@v6", DropDownList4.SelectedValue)
        com.Parameters.AddWithValue("@v7", TextBox3.Text)
        com.Parameters.AddWithValue("@v8", TextBox4.Text)
        com.Parameters.AddWithValue("@v9", TextBox5.Text)
        com.ExecuteNonQuery()


    Catch ex As Exception

        MsgBox(show)

    Finally

        con.Close()

    End Try


End Sub

End Class

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asked soha ali

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