creating a uniqueconstraint object
Tài liệu Creating a Command Object Using Visual Studio .NET docx
... Creating a Command Object Using Visual Studio .NET To create a SqlCommand object using Visual Studio .NET (VS .NET), you drag a SqlCommand object from the Data tab of the Toolbox ... project named MyDataReader containing a Windows application. 2. Add a SqlConnection object to your project (refer back to the previous chapter to see how to add a SqlConnection object using VS ... This object will have the default name of sqlConnection1. 3. Configure your sqlConnection1 object to access your Northwind database. Drag a SqlCommand object to your form. Figure 8.1 shows a...
Ngày tải lên: 21/01/2014, 07:20
Tài liệu Creating a Connection Object Using Visual Studio .NET pdf
... You'll recall that a SqlConnection object allows you to connect to a SQL Server database. You can also drag an OleDbConnection object from the Toolbox to your form to connect to a database ... details are correct. At this point, you've entered all the mandatory details, and you can choose to save your details by clicking OK, or you can click Advanced to enter additional details ... SqlConnection objects. Other objects that appear in the tray are SqlCommand objects. These objects are considered nonvisual because you don't see them when you run your form. You can of course...
Ngày tải lên: 21/01/2014, 07:20
Tài liệu Creating a DataAdapter Object Using Visual Studio .NET doc
... form. When you drag a SqlDataAdapter object to your form, you start the Data Adapter Configuration Wizard, as shown in Figure 10.8 . Figure 10.8: The Data Adapter Configuration Wizard Click the ... Creating a DataAdapter Object Using Visual Studio .NET In this section, you'll learn how to create a DataAdapter using Visual Studio .NET. N ote You'll find a completed ... SqlDataAdapter object in the tray Warning You need to set the Connection property of the SelectCommand in your s qlDataAdapter1 object to your Connection object before the DataAdapter can access...
Ngày tải lên: 21/01/2014, 07:20
Tài liệu Creating a DataSet Object Using Visual Studio .NET docx
... Creating a DataSet Object Using Visual Studio .NET In this section, you'll learn how to create a DataSet using Visual Studio .NET. N ote You'll find a completed VS .NET example ... form, and add code to your form to fill it using the Fill() method of a DataAdapter object. • Click the Generate Dataset link at the bottom of the Properties window of your DataAdapter. You can ... You'll use the second step, so go ahead and click the Generate Dataset link. The Generate Dataset dialog box is then displayed, as shown in Figure 10.14 . Figure 10.14: The Generate Dataset...
Ngày tải lên: 21/01/2014, 07:20
Creating a reusable learning objects strategy leveraging information and learning
Ngày tải lên: 09/04/2014, 16:28
Creating a Writing Course Utilizing Class and Student Blogs.doc
... at anytime. • Teachers can give collective feedback to the class when a recurring mistake is found by adding entries to a “Writing Feedback” class blog. Additionally, individual feedback can ... word and pasting it into an online dictionary. • Because the class material is organized into sections, students can easily find information. • Students can read comments for the class as a whole ... pertinent information. Other possible class blogs are student assignment instructions, vocabulary, and answers to past assignments. The teacher created class blogs can be used as an example when...
Ngày tải lên: 06/09/2013, 05:10
Creating a GUI
... structure with handles and user data (see GUIDATA) % varargin command line arguments to untitled (see VARARGIN) % Create the data to plot handles.peaks=peaks(35); handles.membrane=membrane; [x,y] ... the value of a handles field. To retrieve X in another callback, use the command X = handles.my_data; You can access the data in the handles structure in any callback because hObject and ... MATLAB % handles structure with handles and user data (see GUIDATA) val = get(hObject,'Value'); str = get(hObject, 'String'); switch str{val}; case 'peaks' % User...
Ngày tải lên: 29/09/2013, 20:20
Creating a Pivot Table
... worksheet data as an Excel Table, to activate special features in the source data, such as the capability to automatically extend formulas as new rows are added to the end of the existing data. Instructions ... source data, can they be calculated at the source, or will they be calculated in the pivot table? Adding calculations to a large pivot table may cause any updates to be very slow, and they may have ... create a total for the year; you would have to create a calculation for the annual total. CHAPTER 1 ■ CREATING A PIVOT TABLE 9 Solution The PivotTable Field List lists all the fields available...
Ngày tải lên: 09/10/2013, 12:20
FTTX Architecture Creating a Cost Effective Plug-and-Play FTTX Architecture
... installation and maintenance can be accomplished quickly and easily. Additionally, easy access at the MST facilitates maintenance and troubleshooting by allowing technicians to simply unplug a ... hardened connectors have also been simplified, enabling improved reliability and maintenance. Kits are available with easy instructions and materials for cleaning hardened connectors and adapters. ... and adapters. To clean the connector and adapter, the dust caps and plugs are removed to expose the inner optical components. The adapter can then be cleaned simply using a standard swab and...
Ngày tải lên: 27/10/2013, 00:15
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