Tài liệu Add and Delete Records Using Bound Controls ppt

... edit current records that already exist, users need to be able to add and delete records as well. How do you add and delete records using bound controls? Technique To create the Add New Record ... 1.5 Add and Delete Records Using Bound Controls Besides editing data, adding new records and deleting records in a table are obviously important...

Ngày tải lên: 21/01/2014, 12:20

... 4.2 Add and Delete Rows in a Dataset with ADO.NET Again using the OleDbDataAdapter and OleDbCommandBuilder objects, this How-To shows you how to use unbound controls with the dataset to add and ... OleDb.OleDbCommandBuilder(modaCustIndiv) 131. 132. ' Have the command builder create a Delete SQL command 133. modaCustIndiv.DeleteCommand = ocbCustIndiv.GetDeleteComman...

Ngày tải lên: 21/01/2014, 12:20

... 3.4 Filter and Sort Records Using the DataView Object After your data is loaded into the data table, you will probably want to be able to view your data using different filters and sort orders. ... Technique This How-To displays a set of command buttons that display a letter and an extra command button that displays all records. A data adapter, data table, and data view ar...

Ngày tải lên: 21/01/2014, 12:20

... the conduction band E V = energy in the valence band and k, T, m n * and m p * were defined in Section 10.1. In an intrinsic semiconductor (Si and Ge) m n * and m p * are ... direct band gap semiconductor. The energy levels of the outer electrons form energy bands. In insulators, the lower energy band (valence band) is completely filled and the next energy b...

Ngày tải lên: 13/12/2013, 01:15

... a n and b n of Equations (8.5) and (8.6) by the expression cab b a nnn n n =+∠− − 1 2 22 1 tan ( ) (8.16) In addition, c n relates to A n and φ n of Equations (8.8) and (8.9) ... T p () ( ) =± (8.1) and in any finite interval gt () has at most a finite number of discontinuities and a finite number of maxima and minima (Dirichlets conditions), and in addi...

Ngày tải lên: 13/12/2013, 01:15

... division, and raising to the power, respectively. For addition and subtraction, the array and matrix op- erations are the same. Thus, + and .+ can be regarded as an array or matrix addition. ... elements using 168 bytes. Table 1.2 shows additional MATLAB commands to get one started on MATLAB. Detailed descriptions and usages of the commands can be obtained from the MATLAB...

Ngày tải lên: 19/01/2014, 20:20

... LiB ] Recipe 3.4 Navigating Between Parent and Child Records Using a DataRelation Problem You want to navigate between the parent and child records in a hierarchical DataSet. Solution Use ... parent row and displays it for each child. The C# code is shown in Example 3-4 . Example 3-4. File: NavigateDataRelationForm.cs // Namespaces, variables, and constants using S...

Ngày tải lên: 14/12/2013, 18:16

... characteristics and the locus that separates triode and saturation regions are obtained using MATLAB. Example 12.6 For an n-channel enhancement-type MOSFET with kmAV n = 1 2 / and VV= 15., ... gate, source, drain, and substrate. There are two types of mosfets: the enhancement type and the depletion type. In the enhancement type MOSFET, the channel between the sourc...

Ngày tải lên: 13/12/2013, 01:15

... amplifier is at 200 Hz and the gain is - 500. The pole of the voltage amplifier and level shifter is 400 KHz and has a gain of 360. The pole of the output stage is 800KHz and the gain is 0.92. ... Solution Using voltage division V V s sC RsC IN 11 11 1 1 () = + (11.26) From Equation (11.24) V V s R sC O 1 2 2 1 1 () =+ (11.27) Using Equations (11.26 ) and...

Ngày tải lên: 13/12/2013, 01:15

... approaches for solving I D and V D . In one approach, Equations (9.10) and (9.11) are plotted and the intersection of the linear curve of Equation (9.10) and the nonlinear curve of Equation ... to data in vectors x and y is given as coeff xy x c x c x c nn m _() =+ ++ − 12 1 The degree of the polynomial is n and the number of coefficients mn =+ 1 and the c...

Ngày tải lên: 13/12/2013, 01:15