Clue - Who Dun It? The Data Adapter, DataSet, SqlSelect Etc...

Feb 23, 2007

Ok, I know my connection string and config file are good. Once the rest of the code is added I receive this error:

"SQL Server does not exist or access denied. "

 I'm using the 1.1 framework and my hosting company provides MSSql 2005.

Thanks for your time,

Charlie

Here's the code in my cond behind file.
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 System.Data.SqlClient;
 
 
namespace blog
{
            /// <summary>
            /// Summary description for WebForm1.
            /// </summary>
            public class WebForm1 : System.Web.UI.Page
            {
                        protected System.Data.SqlClient.SqlConnection sqlConnect;
                        protected System.Web.UI.WebControls.DataList dList;
                        protected System.Data.SqlClient.SqlDataAdapter DA;
                        protected System.Data.SqlClient.SqlCommand sqlSelectCommand1;
                        protected System.Web.UI.WebControls.LinkButton linkAdmin;
                        protected System.Web.UI.WebControls.Image header;
                        protected blog.DS ds1;
           
                        private void Page_Load(object sender, System.EventArgs e)
                        {
                                    DA.Fill(ds1, "blogEntry");
                                    dList.DataBind();
                        }
 
                        #region Web Form Designer generated code
                        override protected void OnInit(EventArgs e)
                        {
                                    //
                                    // CODEGEN: This call is required by the ASP.NET Web Form Designer.
                                    //
                                    InitializeComponent();
                                    base.OnInit(e);
                        }
                       
                        /// <summary>
                        /// Required method for Designer support - do not modify
                        /// the contents of this method with the code editor.
                        /// </summary>
                        private void InitializeComponent()
                        {   
                                    this.sqlConnect = new System.Data.SqlClient.SqlConnection();
                                    this.DA = new System.Data.SqlClient.SqlDataAdapter();
                                    this.sqlSelectCommand1 = new System.Data.SqlClient.SqlCommand();
                                    this.ds1 = new blog.DS();
                                    ((System.ComponentModel.ISupportInitialize)(this.ds1)).BeginInit();
                                    this.linkAdmin.Click += new System.EventHandler(this.linkAdmin_Click);
                                    //
                                    // sqlConnection String
                                    //////////////////webserver////////////////
                                    this.sqlConnection1.ConnectionString = "Server=xxx.xxx.xxx.x;Database=myDataBase;User ID=myID;Password=myPass";
 
                                    //////////////////local///////////////////
                                    //this.sqlConnect.ConnectionString = "workstation id=HAL;packet size=4096;integrated security=SSPI;data source=HAL;pers" +
                                                //"ist security info=False;initial catalog=blog";
                                    //
                                    // DA
                                    //
                                    this.DA.SelectCommand = this.sqlSelectCommand1;
                                    this.DA.TableMappings.AddRange(new System.Data.Common.DataTableMapping[] {
                                                                                                                                                                                                                                                                         new System.Data.Common.DataTableMapping("Table", "blogEntry", new System.Data.Common.DataColumnMapping[] {
                                                           
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        new System.Data.Common.DataColumnMapping("bodyID", "bodyID"),
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              new System.Data.Common.DataColumnMapping("linkID", "linkID")})});
                                    //
                                    // sqlSelectCommand1
                                    //
                                    this.sqlSelectCommand1.CommandText = "SELECT id, wxID, dateID, titleID, bodyID, linkID FROM blogEntry ORDER BY id DESC";
                                    this.sqlSelectCommand1.Connection = this.sqlConnect;
                                    //
                                    // ds1
                                    //
                                    this.ds1.DataSetName = "DS";
                                    this.ds1.Locale = new System.Globalization.CultureInfo("en-US");
                                    this.Load += new System.EventHandler(this.Page_Load);
                                    ((System.ComponentModel.ISupportInitialize)(this.ds1)).EndInit();
 
                        }
                        #endregion
 
                        private void linkAdmin_Click(object sender, System.EventArgs e)
                        {
                                    Server.Transfer("logOn.aspx",true);
                        }
            }
}

 

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I 've done a store procedure(SP), one for 7 report's.
The problem that i have is that the dataset doesn't refresh cols from the SP, how can i do ..i need all the columnsi n order to put them in the report.

Thks

Karla

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Getting Data From Dataset Back Into Database

Sep 7, 2006

I'm new at this so I apologize in advance for my ignorance.

I'm creating a website that collects dates in a calendar control (from Peter Blum). When the page containing the control loads it populates the calendar with dates from the database (that have previously been selected by the user). The user then can delete existing dates and/or add new dates.

I create a dataset when the page loads and use it to populate the calendar. When the user finishes adding and deleting dates in the calendar control I delete the original dates from the dataset and then write the new dates to the dataset. I then give execute the data adapter update command to load the contents of the dataset back into the database. This command involves using parameterized queries. For example the Insert command is:

Dim cmdInsert As SqlCommand = New SqlCommand("INSERT INTO Requests VALUES(@fkPlayerIDNumber, @RequestDate, @PostDate, @fkGroupID)", conn)

cmdInsert.Parameters.Add(New SqlParameter("@fkPlayerIDNumber", SqlDbType.Int))

cmdInsert.Parameters.Add(New SqlParameter("@RequestDate", SqlDbType.DateTime))

cmdInsert.Parameters.Add(New SqlParameter("@PostDate", SqlDbType.DateTime))

cmdInsert.Parameters.Add(New SqlParameter("@fkGroupID", SqlDbType.Int))

da.InsertCommand = cmdInsert

The update command is:

da.Update(ds, "Requests")

When I run the program I get the following error:

Parameterized Query '(@fkPlayerIDNumber int,@RequestDate datetime,@PostDate datetime,' expects parameter @fkPlayerIDNumber, which was not supplied.

I've used debug print to establish that the table in the dataset contains what it should.

I would be more than grateful for any suggestions.

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Multiple Data Sources For A Dataset

Aug 23, 2007



Hey everyone,

I am trying to combine like data from two different data sources into a single data set. Is there anyway I can do this? It seems like I can only add one data set, but is there some sort of workaround I could use?

thanks,
Keith

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