ado net in clause parameter

... in more detail After finishing this chapter, you’ll have a good understanding of data components and how to work with them in VS NET Creating Your ADO. NET Project Begin your project by launching ... components in the toolbox As mentioned briefly in Chapter 3, “Overview of ADO. NET, ” the NET Framework Library contains many ADO. NET data providers, including OleDb, Sql, and Odbc The OleDb data provider ... may not have installed on your machine Try reinstalling it 164 933ch4 3/20/02 11:03 AM Page 165 Data Components in Visual Studio NET Figure 4-13 Viewing your ODBC data components in the toolbox...

Ngày tải lên: 22/03/2014, 18:20

... database task, including retrieving rows or aggregate information, updating data, and removing or inserting rows 4.5.1 Executing a Stored Procedure Using a stored procedure with A DO NET is easy ... ssociates, Inc was aware of a trademark claim, the designations have been printed in caps or initial caps Microsoft, the NET logo, V isual Basic NET, V isual Studio NET, A DO NET, Windows, and Windows ... NET, you must be running a version of V isual Basic NET or V isual Studio NET on your computer or laptop To install ADO. NET in a Nutshell for Microsoft V isual Studio NET: Place the CD-RO M in...

Ngày tải lên: 07/04/2014, 15:00

... see the form in Figure 4.2 Create a new Windows Form Add the following controls, setting the properties as listed in Table 4.5 Table 4.5 Controls Property Settings Object Property Setting Label ... GetString Returns the current record, getting the column specified, and returns it as string DataReader GetInt32 Returns the current record, getting the column specified, and returns it as 32-bit integer ... clicks on the View button with Customer ID filled in, the text box below is filled in, displaying order information for that customer Comments Using the technique presented here, you can pretty...

Ngày tải lên: 14/12/2013, 20:16

... updated rows in all included tables So, I'm led to think that using this smaller DataSet, instead of the original one, results in improved performance However, there was something in your last ... down to the database in a single shot or as a single block of data In this case, in fact, using GetChanges would result in much more optimized code The key parameter that determines how many significant ... DiffGram format never includes schema information The data section includes the current values of the rows in the DataSet The original rows, including deleted rows, are stored in the ...

Ngày tải lên: 10/12/2013, 14:16

... container is shown in Example 7-34 Example 7-34 File: UsingDesignTimeFeauresWithComponentsForm.cs // Namespaces, variables, and constants using System; using System.Data; // private void UsingDesignTimeFeauresWithComponentsForm_Load(object ... there is no user interface for a component A control is a component that provides user interface functionality and inherits from the System.Windows.Forms.Control class, which in turn derives from ... code for the component is shown in Example 7-33 Example 7-33 File: Component0717.cs // Namespaces, variables, and constants using System; using System.Data; using System.Data.SqlClient; // ...

Ngày tải lên: 14/12/2013, 18:16

... was written using Windows Forms, the majority of the objects can also be used in Web Forms as well as by using ADO. NET with ASP .NET You will see this in Chapter 5, "Working with Date in Web Forms." ... Development with ADO. " Although ADO. NET does take more work sometimes to accomplish a task that you could using ADO, the power and flexibility of ADO. NET is well worth the learning curve Note Although ... the items listed in the previous two tables throughout the following How-Tos Tip If you have to stick with ADO or just want to be stubborn, check out using ADO with NET by reading Appendix A,...

Ngày tải lên: 24/12/2013, 06:17

... customer in the list is displayed in the text boxes Comments As you can see, adding and deleting a record does not take much more than editing and updating a record using ADO. NET Using the commands in ... As Object Dim strName As String If mblnAdd Then mdrCustIndiv = mdsCustIndiv.Tables("Customers").NewRow End If ' Start the editing in the datarow mdrCustIndiv.BeginEdit() ' Run through the text ... ocbCustIndiv As OleDb.OleDbCommandBuilder ocbCustIndiv = New OleDb.OleDbCommandBuilder(modaCustIndiv) If mblnAdd Then 80 ' Have the command builder create an Insert SQL command 81 modaCustIndiv.InsertCommand...

Ngày tải lên: 21/01/2014, 12:20

... within the ADO. NET family Part I, “Getting to Know ADO. NET, ” provides a quick overview of ADO. NET and its fundamental role in NET applications, then delves into the details of the main ADO. NET ... Introducing ADO. NET After completing this chapter, you will be able to: ■■ Identify what ADO. NET is ■■ Explain ADO. NET s role in an application ■■ Identify the major components that make up ADO. NET ... ADO. NET ■■ Create an ADO. NET link between a database and a NET application This chapter introduces you to ADO. NET and its purpose in the world of Microsoft NET application development ADO. NET...

Ngày tải lên: 17/08/2012, 08:39

... [code] using System; using System.Data; using System.Data.SqlClient; namespace Chapter04 { class SqlServerProvider { static void Main(string[] args) { // Tạo connection string connString = @" ... thay số dòng : [code] using System.Data.Oledb; … String connString = @” Provider = sqloledb; Data source = \SQLEXPRESS; Integrated security = sspi; Initial catalog = northwind “; … OledbConnection ... đổi code ban đầu số dòng sau Page of Căn ADO. NET cho người lập trình C# Author : Xcross87 [code] using System.Data.Odbc; … String connString = @”dsn=northwindodbc”; … OdbcConnection conn = null;...

Ngày tải lên: 18/08/2012, 11:53

... nhập thông tin : Thực xóa thông tin học sinh lưu table HOCSINH Hướng dẫn: - Tương tự thêm học sinh - Thực xóa thông tin học sinh cần phải biết mã học sinh cần xóa: Delete From HOCSINH Where MaHS=’???’ ... lưu thông tin học sinh, cần phải kiểm tra xem học sinh cần lưu có table HOCSINh chưa? - Nếu chưa có thực INSERT INTO Nếu tồn thực UPDATE Xử lý kiện học sinh Xử lý kiện biết mã học sinh : Clear ... học sinh vào ListView - Ta cài đặt hàm Doc_DanhSach_HocSinh() để lấy thông tin học sinh bảng HOC_SINH từ CSDL sau: - Tiếp theo ta cài đặt hàm Load_Danhsach_Hocsinh_ListView để load thông tin học...

Ngày tải lên: 28/08/2012, 11:13

... tượng Recordset ADO tầng khác ứng dụng, kết hợp nội dung đối tượng Recordset • … – Các phiên ADO gần thêm thành phần XML, ADO không xữ lý liệu XML hiệu ADO. NET) Mô hình ADO. NET • ADO. NET thiết kế ... VS .NET ADO. NET gì? • ADO. NET tập hợp thư viện Microsoft NET Framework giúp giao tiếp với lưu trữ liệu khác từ NET application – Kết nối tới nguồn liệu – Gửi truy vấn – Xử lý kết • Cũng dùng ADO. NET ... phát triển xây dựng hiệu ứng dụng csdl đa tầng qua intranet Internet Mô hình ADO. NET • Thành phần hướng không kết nối mô hình đối tượng ADO. NET không giao tiếp không tương tác trực tiếp với đối...

Ngày tải lên: 06/09/2012, 16:31

Ngày tải lên: 30/10/2012, 08:55

... OleDbparameter(); OleDbParameter As New OleDbParameter (,); SQLServer SqlParameter As New SqlParameter(); 22 SqlParameter As New SqlParameter(); ... ts3.OleDbType=OleDn.OleDbType.Int; cmd.parameters.Add(ts3); OleDbParameter ts1 as OleDbParameter= cmd.Parameters.Add(“@MaSV”,OleDbType.Char,4); Ts1.Value=”Sv01”; OleDbParameter ts2 as OleDbParameter= cmd.Parameters.Add(“@MAMH”,OleDbType.Char,4); ... Quan Về ADO. Net 1.1 Giới thiệu 1.2 Kiến trúc ADO Net 1.3 Minh họa tạo kết nối CSDL © Dương Thành Phết-www.thayphet .net Khoa CNTT, Trường CĐ CNTT TP.HCM 1.1 Giới Thiệu Hầu hết ứng dụng windows...

Ngày tải lên: 12/03/2013, 09:26

... within the ADO. NET family Part I, “Getting to Know ADO. NET, ” provides a quick overview of ADO. NET and its fundamental role in NET applications, then delves into the details of the main ADO. NET ... Introducing ADO. NET After completing this chapter, you will be able to: ■■ Identify what ADO. NET is ■■ Explain ADO. NET s role in an application ■■ Identify the major components that make up ADO. NET ... ADO. NET ■■ Create an ADO. NET link between a database and a NET application This chapter introduces you to ADO. NET and its purpose in the world of Microsoft NET application development ADO. NET...

Ngày tải lên: 06/08/2013, 17:44

... : using using using using using using using System; System.Drawing; System.Collections; System.ComponentModel; System.Windows.Forms; System.Data; System.Data.SqlClient; namespace ProgrammingCSharpWindows.Form ... : using using using using using using using System; System.Drawing; System.Collections; System.ComponentModel; System.Windows.Forms; System.Data; System.Data.SqlClient; namespace ProgrammingCSharpWindows.Form ... : using using using using using using using System; System.Drawing; System.Collections; System.ComponentModel; System.Windows.Forms; System.Data; System.Data.SqlClient; namespace ProgrammingCSharpWindows.Form...

Ngày tải lên: 30/09/2013, 02:20

... } private IntrodureInfo Getcontent() { IntrodureInfo intro = new IntrodureInfo(); try { intro.pkIntrodureID = int.Parse(lblidintro.Text); } catch { } intro.sTitle = txtTitle.Value; intro.sSumary ... static IntrodureInfo Getinfo(string _pkIntrodureID) { DataTable mydata = iTechProData.FillDatatable("spIntrodure_selectbyID", "@pkIntrodureID", _pkIntrodureID); IntrodureInfo _introdure = new IntrodureInfo(); ... App_Code) IntrodureInfo.cs using System; namespace iTechPro.Modules.Introdure { public class IntrodureInfo { int _pkIntrodureID; public int pkIntrodureID { get { return _pkIntrodureID; } set { _pkIntrodureID...

Ngày tải lên: 02/10/2013, 08:20

... Note: Using indexing by the string "PhoneNumber" is slower UniqueConstraint l_UniqueConstraint = new UniqueConstraint(l_DataSet.Tables[0] Columns["PhoneNumber"]); l_DataSet.Tables[0].Constraints.Add(l_UniqueConstraint); ... UniqueConstraint(String name, DataColumn[] cols) Creates a UniqueConstraint that enforces uniqueness for multiple columns in a row The columns are specified by passing them as an array UniqueConstraint(DataColumn[] ... Thêm UniqueConstraint Để thêm UniqueConstraint vào DataSet, làm theo bước sau: Bước 1: Tạo UniqueConstraint cách sử dụng bốn khởi tạo NET Compact Framework: UniqueConstraint(String name, DataColumn...

Ngày tải lên: 02/10/2013, 21:20

... Microsoft ADO. NET Step by Step Note  Although ADO. NET manipulates data in tabular form, you can also use ADO. NET to access nontabular data For instance, an ADO. NET provider (discussed later in the ... upcoming chapters Extensions to ADO. NET Generalizing access to data is a key benefit of using ADO. NET But an even greater advantage for NET developers is that all values managed through ADO. NET ... connection selected in the list on the Choose Your Data Connection panel Chapter 1  Introducing ADO. NET 13 Note  ADO. NET uses connection strings, short, semicolon-delimited definition strings, to identify...

Ngày tải lên: 03/10/2013, 00:20

... as a starting point for data binding concepts, you can craft complex, interactive applications that depend on the intelligent data-linking features included in most Visual Studio user interface ... data that will bind to the controls As with the formhosted BindingContext in Windows Forms applications, the Binding entry defines both a source (the DataSet instance) and a path within the source ...

Ngày tải lên: 03/10/2013, 00:20

... passing it to the reporting engine to produce the report The following is a typical example of C# code you’ll see in the rest of the chapters: using using using using using using using using using ... piece of the puzzle—the ADO. NET C# interface code Before we start analyzing the C# code, let me give you a quick introduction to ADO. NET What Is ADO. NET? In simple words, ADO. NET is a set of components ... looked at the ADO. NET C# interface code Starting in the next chapter, you’ll get into the world of developing reporting projects The first client in line is Windows Forms, followed by AP .NET web forms...

Ngày tải lên: 05/10/2013, 08:48