Create database in sql server using asp.net with C# (VS2005)

using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

public partial class _Default : System.Web.UI.Page 
{
    //private System.ComponentModel.Container components = null;

    protected void Page_Load(object sender, EventArgs e)
    {
        SQLDMO.Application oSQLServerDMOApp = new SQLDMO.Application();
        SQLDMO.NameList oNameList;
        oNameList = oSQLServerDMOApp.ListAvailableSQLServers();
        for (int intIndex = 0; intIndex <= oNameList.Count - 1; intIndex++)
        {
            if (oNameList.Item(intIndex as object) != null)
            {
                cboServers.Items.Add(oNameList.Item(intIndex).ToString());
            }
            else
            {
                cboServers.Items.Add("(Local)");

            }
        }
         cboServers.SelectedIndex = 0;

    }
    protected void btnCreateDB_Click(object sender, EventArgs e)
    {
        string strDatabaseName = "";
        SQLDMO.SQLServer gSQLServerDMO = new SQLDMO.SQLServer();
        SQLDMO.Database nDatabase = new SQLDMO.Database();
        SQLDMO.DBFile nDBFileData = new SQLDMO.DBFile();
        SQLDMO.LogFile nLogFile = new SQLDMO.LogFile();

        strDatabaseName = txt_Database.Text.ToString();


        try
        {
            gSQLServerDMO.Connect(this.cboServers.SelectedItem.ToString(), this.txtUser.Text, this.txtPassword.Text);

            nDatabase.Name = strDatabaseName;
            nDBFileData.Name = strDatabaseName;
            nDBFileData.PhysicalName = gSQLServerDMO.Registry.SQLDataRoot + "\\DATA\\" + strDatabaseName + "_Data.mdf";
            nDBFileData.PrimaryFile = true;
            nDBFileData.Size = 2;

            nDBFileData.FileGrowthType = SQLDMO.SQLDMO_GROWTH_TYPE.SQLDMOGrowth_MB;
            nDBFileData.FileGrowth = 1;

            //Add the DBFile object
            nDatabase.FileGroups.Item("PRIMARY").DBFiles.Add(nDBFileData);

            //
            nLogFile.Name = strDatabaseName + "Log";
            nLogFile.PhysicalName = gSQLServerDMO.Registry.SQLDataRoot + "\\DATA\\" + strDatabaseName + "_Log.ldf";
            nLogFile.Size = 2;
            nDatabase.TransactionLog.LogFiles.Add(nLogFile);

            gSQLServerDMO.Databases.Add(nDatabase);
            Page.ClientScript.RegisterStartupScript(this.GetType(), "Error", "<script type=\"text/javascript\">alert('Database Sucessfully Created');</script>");
            gSQLServerDMO.DisConnect();
           

        }
        catch (Exception SQLDBException)
        {
            Page.ClientScript.RegisterStartupScript(this.GetType(), "Error", "<script type=\"text/javascript\">alert('" + SQLDBException.Message + "');</script>");

            return;
        }
        finally
        {
        }
    }
}