adding controls to inherited form

... 15. From the Toolbox, drag a Button control and place it near the bottom on the lower-left side of MemberForm. 16. Add another Button control to the bottom of the form, just to the right of ... Adding Controls to the Form So far you have created a form, set some of its properties, and examined the code that Visual Studio 2005 generates. To make the form useful, you need to add controls ... Windows Forms Controls In the next exercise, you will add controls to the form that allow a user to input member details. You will use a variety of different controls, each suited to a particular...

Ngày tải lên: 26/01/2014, 12:20

... set to the CustomerID column, and it is bound to the data grid on the form. Finally, a CurrencyManager is created from the DataView. Go Button.Click Uses the Find( ) method of the DataView to ... "Find", MessageBoxButtons.OK, MessageBoxIcon.Question); findTextBox.Focus( ); } [ Team LiB ] Recipe 7.15 Adding Search Capabilities to Windows Forms Problem You need to use a search criteria ... to locate a record with the CustomerID specified by the user. If the CustomerID is found, the CurrencyManager created in the Form. Load event handler is used to select the matching record in...

Ngày tải lên: 14/12/2013, 18:16

... Properties window provides a tool to create data-binding [ Team LiB ] Recipe 7.1 Binding Simple Data to Web Forms Controls P roblem You need to bind a field of data to a server-side control. ... company name for the // user-specified customer ID. String sqlText = "SELECT CompanyName FROM Customers WHERE CustomerID='" + customerIdTextBox.Text + "'"; ... String GetCompanyName(String customerId) { String companyName = "Not found."; if (customerIdTextBox.Text != "") { // Create a command to retrieve the company name...

Ngày tải lên: 26/01/2014, 10:20

... [ Team LiB ] Recipe 7.2 Binding Complex Data to Web Forms Controls Problem You want to bind multiple columns in multiple records to an ASP.NET control. Solution Set the control's ... binding describes binding a multi-record control to multiple records in a data source. The DataGrid, DataList, and ListBox controls are examples of controls that support complex data binding. Each ... before calling DataBind( ). The Web Forms page sample code defines the ListBox that is populated with data by the code-behind page logic. The code for the Web Forms page is shown in Example 7-3 ....

Ngày tải lên: 26/01/2014, 10:20

... parameters to the command and sends it to the database for processing. 4. Run the program. On the Customer Management form, select a customer from the list of customers and then click Rename Customer. ... as needed to provide access to your own test database. 3. Open the code for the RenameCustomer form. This form lets the user modify the FullName value for a single record in the Customer database ... definition: CREATE PROCEDURE dbo.GetCustomerOrders(@customerID bigint) AS BEGIN SELECT * FROM Customer WHERE ID = @customerID; SELECT * FROM OrderEntry WHERE Customer = @customerID ORDER BY OrderDate;...

Ngày tải lên: 03/10/2013, 00:20

... want to add to the workspace. To browse for the document, click Browse. 6. If you are adding the document to an enhanced folder, you will have the following two options: • If you want to add ... Microsoft Excel 2000, or Microsoft PowerPoint ® 2000 to add documents to the workspace. Adding a New Document to the Workspace To add a new document to the workspace, create the document by using ... menu to add the document to the appropriate folder in the workspace. Adding an Existing Document to a Workspace Folder You can use Word, Excel, or PowerPoint to add an existing document to a...

Ngày tải lên: 10/12/2013, 16:15

Ngày tải lên: 18/12/2013, 10:29

... DataTable. Adding Constraints to DataTable Objects In this section, you'll see how to add constraints to DataTable objects. Specifically, you'll see how to add primary key constraints to ... reason for adding a primary key constraint to your DataTable because you don't want duplicate rows. Adding a Primary Key to the Products DataTable Let's take a look at adding a primary ... By adding these restrictions up front, you prevent bad data from being added to your DataSet to begin with. This helps reduce the errors when attempting to push changes in your DataSet to the...

Ngày tải lên: 24/12/2013, 01:17

... you'll see how to add restrictions to the DataColumn objects stored in a DataTable. Specifically, you'll see how to set the AllowDBNull, AutoIncrement, AutoIncrementSeed, AutoIncrementStep, ... key value. You need to keep this issue in mind when adding rows to a DataTable, which you'll see how to do shortly. That wraps up adding the primary key constraints to the DataTable objects. ... myDataSet.Tables["Products"].Columns["ProductID"] ); That wraps up adding constraints to the DataTable objects. Next, you'll see how to add restrictions to DataColumn objects. Adding Restrictions to DataColumn Objects In this...

Ngày tải lên: 24/12/2013, 01:17

... is stored in the AllowDBNull property. • Whether the DataColumn value must be unique-which is stored in the Unique property. • Any auto-increment information-which is stored in the AutoIncrement, ... AutoIncrement, AutoIncrementSeed, and AutoIncrementStep properties. The FillSchema() method will also determine whether the DataColumn is part of a primary key and store that information in the ... Console.WriteLine("myDataColumn.AutoIncrement = " + myDataColumn.AutoIncrement); Console.WriteLine("myDataColumn.AutoIncrementSeed = " + myDataColumn.AutoIncrementSeed); Console.WriteLine("myDataColumn.AutoIncrementStep...

Ngày tải lên: 24/12/2013, 01:17

... weightOnMoon variable's being set to a different value as well. Take a look at these function calls to the convertToMoonWeight() function: convertToMoonWeight(190); convertToMoonWeight(32); ... actions the function performs are enclosed in an if statement, which is used to allow channels to be changed only if tvPower is true. The function then sets a variable used to store the current channel ... the TV channel. To increment or decrement a channel, you need to have the current channel stored. The script declares a new variable called currentChannel, which will be used to store the numeric...

Ngày tải lên: 24/12/2013, 07:17

Ngày tải lên: 27/12/2013, 20:26

Ngày tải lên: 27/12/2013, 20:41

... [ Team LiB ] Recipe 10.8 Adding Tables to a Database Problem You need to add a table to an existing database. Solution Use the CREATE TABLE statement. ... method o f the Command object to add a table to an existing SQL Server database. The C# code is shown in Example 10-8 . Example 10-8. File: AddTableToDatabaseForm.cs // Namespaces, variables,...

Ngày tải lên: 21/01/2014, 11:20

... 5.1). Figure 5.1. Arrange the controls on the form you created to look like this form. To start off, you will be creating a Web Form that is similar to a Windows Form that was created in Chapter ... txtCustomerID Text dsCustomerIndividual - Customers.CustomerID TextBox ID txtCompanyName Text dsCustomerIndividual - Customers.CompanyName TextBox ID txtContactName Text dsCustomerIndividual ... back to the server, which is something you need to do if you want to have an event fire off, such as the SelectedIndexChanged event of the lstCustomers list box. This is also true for Button controls...

Ngày tải lên: 26/01/2014, 11:20

... do to motivate you to speak? A. Not to interrupt you when you make mistakes. B. To accept a variety of answers. C. To give you a reading text based on topics. D. To ask you to speak without preparation. 15 ... appropriate to teach the forms through the uses, or to attach the uses to the forms, or to integrate them for communicative purposes. Perhaps it is the teacher’s responsibility to judge and ... speaking topics, your teacher usually: A. provides you with new words and structures relating to the topics. B. provides you with main ideas of the topics. C. encourages you to plan the topics. D....

Ngày tải lên: 29/01/2014, 10:33

... decided to implement is not always easy and may represent a real obstacle. Members will suddenly be obliged to bear the psychologi- cal costs involved in agreeing to be monitored, and to adhere to ... These groups are formed of large, economically buoyant companies whose main aim is quickly to obtain a geographical indication so as to create institutional barriers to be added to the technical ... proved essential to take the ranchers out of isolation and away from institutional neglect by bringing them together to form representative organizational structures collectively to defend the...

Ngày tải lên: 18/02/2014, 21:20

... > Source to see how it was put together. To me, this is the best of all worlds—let it be a black box to those w ho don’t care to look any further, but also cater to those who want to lift up ... interested in adding some photographic data layers to your map as well. In this chapter, you see the ins and outs of dealing with raster (photographic) data, including where to find it, how to view ... shows you h ow to reproject your data layers to restore the “snap-together” magic that you were promised in the previous chapter. Chapter 4—Rasters Once you get comfortable with vector data, y ou...

Ngày tải lên: 14/03/2014, 09:20

Ngày tải lên: 23/03/2014, 13:20

Ngày tải lên: 23/03/2014, 16:21