BC30516: Overload Resolution Failed Because No Accessible 'New' Accepts This Number Of Arguments Error
Feb 18, 2008
Hello, I want to get data from datatable as below. I am getting error:
BC30516: Overload resolution failed because no accessible 'New' accepts this number of arguments. I did not understand what is wrong. Because everything is same as msdn library.
my codebehind is:
Imports System.Data
Imports System.Data.Sql
Imports System.Data.SqlClientPartial Class Default2 Inherits System.Web.UI.Page
Private Shared Function GetConnectionString() As String
' To avoid storing the connection string in your code,
I have a problem while trying to update the content of my page to the database by the means of a stored procedure string OcompConnection = ConfigurationManager.ConnectionStrings["GenUserCode"].ConnectionString; System.Data.SqlClient.SqlConnection conn = new System.Data.SqlClient.SqlConnection(OcompConnection); System.Data.SqlClient.SqlCommand ocmd = new System.Data.SqlClient.SqlCommand("Dealer_Insert", conn);ocmd.CommandType = CommandType.StoredProcedure; ocmd.Parameters.Add(new SqlParameter("@UserCode"), SqlDbType.NVarChar); ocmd.Parameters["@UserCode"] = TxtUserCode;
and also there is another error message saying that argument1: can not comvert from system.data.sqlclient.sqlparameter to string. What am i Missing??? Eventually there is the try{open} and finally{close}
I have problem with LINQ. I have created SQL Server 2005 database Database.mdf in App_Data folder with two tables - Pages and PagesGroups. Table Pages consist of fields PageID, AspxForm, DescriptionEN, DescriptionPL, PagesGroupID, NavNameEN, NavNamePL, PageActive, NavToolTipEN, NavToolTipPL and table PagesGroups consist of PagesGroupID, NavGroupNameEN, NavGroupNamePL, NavGroupToolTipEN, NavGroupToolTipPL, GroupDescriptionPL, GroupDescriptionEN, GroupActive. I added example rows. I created DataClasses.dbml, where Pages is child of PagesGroups, and DataClasses.designer.cs, which cause error "No overload for method 'DataContext' takes '0' arguments", in App_Code folder. I started writing LINQ commands in master page (DataClassesDataContext db = new DataClassesDataContext(); var pages = from p in db.Pages select new { Description = p.PagesGroup.GroupDescriptionPL };). What should I write in DataClasses.designer.cs that errors does not occur? What is wrong in my DataClasses.designer.cs? I wrote source of DataClasses.designer.cs, MasterPage.master and error message below. App_Code/DataClasses.designer.cs:
using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Data.Linq; using System.Data.Linq.Mapping; using System.Linq; using System.Linq.Expressions;using System.Reflection;
[System.Data.Linq.Mapping.DatabaseAttribute(Name="Database")] public partial class DataClassesDataContext : System.Data.Linq.DataContext { private static System.Data.Linq.Mapping.MappingSource mappingSource = new AttributeMappingSource();
public System.Data.Linq.Table<Page> Pages { get {return this.GetTable<Page>(); } } public System.Data.Linq.Table<PagesGroup> PagesGroups { get {return this.GetTable<PagesGroup>(); } } } [Table(Name="dbo.Pages")] public partial class Page : INotifyPropertyChanging, INotifyPropertyChanged {
private static PropertyChangingEventArgs emptyChangingEventArgs = new PropertyChangingEventArgs(String.Empty);
private int _PageID;
private string _AspxForm;
private string _DescriptionEN;
private string _DescriptionPL;
private int _PagesGroupID;
private string _NavNameEN;
private string _NavNamePL;
private bool _PageActive;
private string _NavToolTipEN;
private string _NavToolTipPL;
private EntityRef<PagesGroup> _PagesGroup;
public Page() { this._PagesGroup = default(EntityRef<PagesGroup>); }
[Column(Storage="_PageID", AutoSync=AutoSync.Always, DbType="Int NOT NULL IDENTITY", IsPrimaryKey=true, IsDbGenerated=true)] public int PageID { get { return this._PageID; } set { if ((this._PageID != value)) { this.SendPropertyChanging(); this._PageID = value; this.SendPropertyChanged("PageID"); } } }
[Column(Storage="_AspxForm", DbType="Char(10) NOT NULL", CanBeNull=false)] public string AspxForm { get { return this._AspxForm; } set { if ((this._AspxForm != value)) { this.SendPropertyChanging(); this._AspxForm = value; this.SendPropertyChanged("AspxForm"); } } }
[Column(Storage="_DescriptionEN", DbType="NText", UpdateCheck=UpdateCheck.Never)] public string DescriptionEN { get { return this._DescriptionEN; } set { if ((this._DescriptionEN != value)) { this.SendPropertyChanging(); this._DescriptionEN = value; this.SendPropertyChanged("DescriptionEN"); } } }
[Column(Storage="_DescriptionPL", DbType="NText", UpdateCheck=UpdateCheck.Never)] public string DescriptionPL { get { return this._DescriptionPL; } set { if ((this._DescriptionPL != value)) { this.SendPropertyChanging(); this._DescriptionPL = value; this.SendPropertyChanged("DescriptionPL"); } } }
[Column(Storage="_PagesGroupID", DbType="Int NOT NULL")] public int PagesGroupID { get { return this._PagesGroupID; } set { if ((this._PagesGroupID != value)) { if (this._PagesGroup.HasLoadedOrAssignedValue) { throw new System.Data.Linq.ForeignKeyReferenceAlreadyHasValueException(); } this.SendPropertyChanging(); this._PagesGroupID = value; this.SendPropertyChanged("PagesGroupID"); } } }
[Column(Storage="_NavNameEN", DbType="NVarChar(50) NOT NULL", CanBeNull=false)] public string NavNameEN { get { return this._NavNameEN; } set { if ((this._NavNameEN != value)) { this.SendPropertyChanging(); this._NavNameEN = value; this.SendPropertyChanged("NavNameEN"); } } }
[Column(Storage="_NavNamePL", DbType="NVarChar(50) NOT NULL", CanBeNull=false)] public string NavNamePL { get { return this._NavNamePL; } set { if ((this._NavNamePL != value)) { this.SendPropertyChanging(); this._NavNamePL = value; this.SendPropertyChanged("NavNamePL"); } } }
[Column(Storage="_PageActive", DbType="Bit NOT NULL")] public bool PageActive { get { return this._PageActive; } set { { this.OnPageActiveChanging(value); this.SendPropertyChanging(); this._PageActive = value; this.SendPropertyChanged("PageActive"); } } } private void OnPageActiveChanging(bool value) { throw new NotImplementedException(); }
[Column(Storage="_NavToolTipEN", DbType="NText", UpdateCheck=UpdateCheck.Never)] public string NavToolTipEN { get { return this._NavToolTipEN; } set { if ((this._NavToolTipEN != value)) { this.SendPropertyChanging(); this._NavToolTipEN = value; this.SendPropertyChanged("NavToolTipEN"); } } }
[Column(Storage="_NavToolTipPL", DbType="NText", UpdateCheck=UpdateCheck.Never)] public string NavToolTipPL { get { return this._NavToolTipPL; } set { if ((this._NavToolTipPL != value)) { this.SendPropertyChanging(); this._NavToolTipPL = value; this.SendPropertyChanged("NavToolTipPL"); } } }
... using System.Data.Linq; using System.Data.Linq.Mapping; using System.Globalization; using System.Linq; using System.Linq.Expressions;
... public partial class MasterPage : System.Web.UI.MasterPage {public void Page_Load(object sender, EventArgs e) { ... DataClassesDataContext db = new DataClassesDataContext(); ... if (Page.UICulture == "Polish") { ...var pages = from p in db.Pages where p.PagesGroup.GroupActive == true && p.PageActive == trueselect new { PagesGroupDescription = p.PagesGroup.GroupDescriptionPL }; } else {var pages = from p in db.Pages where p.PagesGroup.GroupActive == true && p.PageActive == true select new { PagesGroupDescription = p.PagesGroup.GroupDescriptionEN }; ... } ... } } Error:
Compilation Error Description: An error occurred during the compilation of a resource required to service this request. Please review the following specific error details and modify your source code appropriately. Compiler Error Message: CS1501: No overload for method 'DataContext' takes '0' argumentsc:UsersAdministratorDocumentsMy Web SitesKamil Szmit (szmitek)App_CodeDataClasses.designer.cs(25,22): error CS1501: No overload for method 'DataContext' takes '0' arguments c:WindowsassemblyGAC_MSILSystem.Data.Linq3.5.0.0__b77a5c561934e089System.Data.Linq.dll: (Location of symbol related to previous error)
Im currently using Access 2000 which is connected to a SQL database. I have a query (Or View) that runs every month. The problem i had was i had to manually make some changes every month to get to the data i needed so i changed this View into a Function with a parameter so i can input the detail(s) i need and it will run correctly - this works so far but the original View was also used within other queries that were created. Now the problem i have now is some of the other views that are now connected with the newly created Function comes up with the error:
ADO error: an insufficient number of arguments were supplied for the procedure or function Name_Of_Function.
I called the newly created function the exact name as the original view to ensure i had no problems. Any idea of whats happening here and how to resolve?
I have an SqlDataSource control on my aspx page, this is connected to database by a built in procedure that returns a string dependent upon and ID passed in. I have the followinbg codewhich is not complet, I woiuld appriciate any help to produce the correct code for the code file Function GetCategoryName(ByVal ID As Integer) As String sdsCategoriesByID.SelectParameters("ID").Direction = Data.ParameterDirection.Input sdsCategoriesByID.SelectParameters.Item("ID").DefaultValue = 3 sdsCategoriesByID.Select() <<<< THIS LINE COMES UP WITH ERROR 1End Function ERROR AS FOLLOWS argument not specified for parameter 'arguments' of public function Select(arguments as System.Web.DatasourceSelect Arguments as Collections ienumerable
Help I have not got much more hair to loose Thanks Steve
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SQL 2005 Standard.
Machine : KINGSERVER550 Product : SQL Server Database Services Error : The SQL Server service failed to start. For more information, see the SQL Server Books Online topics, "How to: View SQL Server 2005 Setup Log Files" and "Starting SQL Server Manually." -------------------------------------------------------------------------------- Machine : KINGSERVER550 Product : Microsoft SQL Server 2005 Product Version : 9.00.1399.06 Install : Failed Log File : C:Program FilesMicrosoft SQL Server90Setup BootstrapLOGFilesSQLSetup0003_KINGSERVER550_SQL.log Last Action : InstallFinalize Error String : The SQL Server service failed to start. For more information, see the SQL Server Books Online topics, "How to: View SQL Server 2005 Setup Log Files" and "Starting SQL Server Manually." The error is (1067) The process terminated unexpectedly. Error Number : 29503
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DropDB.sql IF EXISTS (SELECT name FROM sys.databases WHERE name = N'Caching') DROP DATABASE [Caching]
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This is the error. Server: Msg 4414, Level 16, State 1, Line 1Could not allocate ancillary table for view or function resolution. The maximum number of tables in a query (260) was exceeded.
In order to add a data source by using ODBC Administrator, programmatically i am using SQLConfigDataSource. Thus calling SQLConfigDataSource with the fOption set to either ODBC_ADD_DSN for creating a new DSN.
Following is the stattement specified in the source code. where type_of_driver = "Microsoft Access Driver (*.mdb)"; and parameters contains the data source source credentials information such as DSN, UID, PSW, FIL, Description, DataDirectory,DEFAULTDIR and DBQ all separated by "