deletestoredprocedure.aspx.cs

wrox c#高级编程

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;

using SqlAdmin;

namespace SqlWebAdmin
{
    /// <summary>
    /// Summary description for DeleteStoredProcedure.
    /// </summary>
    public class DeleteStoredProcedure : System.Web.UI.Page
    {
        protected System.Web.UI.WebControls.Label DatabaseNameLabel;
        protected System.Web.UI.WebControls.Button YesButton;
        protected System.Web.UI.WebControls.Button NoButton;
        protected System.Web.UI.WebControls.Label SProcNameLabel;


        public DeleteStoredProcedure()
        {
            Page.Init += new System.EventHandler(Page_Init);
        }

        private void Page_Load(object sender, System.EventArgs e)
        {
            HttpCookie cookie = Request.Cookies["WebDataAdministrator"];
            if (cookie == null)
                Response.Redirect("default.aspx?error=sessionexpired");

            SqlServer server = new SqlServer(cookie.Values["server"], cookie.Values["username"], cookie.Values["password"]);

            DatabaseNameLabel.Text = Server.HtmlEncode(Request["database"]);
            SProcNameLabel.Text = Server.HtmlEncode(Request["sproc"]);
        }

        private void Page_Init(object sender, EventArgs e)
        {
            //
            // CODEGEN: This call is required by the ASP.NET Web Form Designer.
            //
            InitializeComponent();
        }

        #region Web Form Designer generated code
        /// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        private void InitializeComponent()
        {    
            this.NoButton.Click += new System.EventHandler(this.NoButton_Click);
            this.YesButton.Click += new System.EventHandler(this.YesButton_Click);
            this.Load += new System.EventHandler(this.Page_Load);

        }
        #endregion

        private void YesButton_Click(object sender, System.EventArgs e)
        {
            HttpCookie cookie = Request.Cookies["WebDataAdministrator"];
            if (cookie == null)
                Response.Redirect("default.aspx?error=sessionexpired");

            SqlServer server = new SqlServer(cookie.Values["server"], cookie.Values["username"], cookie.Values["password"]);

            server.Connect();

            SqlDatabase database = server.Databases[Request["database"]];
            if (database == null) {
                server.Disconnect();

                // Database doesn't exist - break out and go to error page
                Response.Redirect(String.Format("error.aspx?error={0}", 1000));
                return;
            }

            SqlStoredProcedure sproc = database.StoredProcedures[Request["sproc"]];
            if (sproc == null) {
                server.Disconnect();

                // Stored procedure doesn't exist - break out and go to error page
                Response.Redirect(String.Format("error.aspx?error={0}", 1001));
                return;
            }

            // Delete the sproc
            sproc.Remove();

            server.Disconnect();

            // Redirect to info page
            Response.Redirect("storedprocedures.aspx?database=" + Server.UrlEncode(Request["database"]));
        }

        private void NoButton_Click(object sender, System.EventArgs e)
        {
            // Redirect to info page
            Response.Redirect("storedprocedures.aspx?database=" + Server.UrlEncode(Request["database"]));
        }
    }
}