Tài liệu Filter and Sort Records Using the DataView Object pptx

Tài liệu Filter and Sort Records Using the DataView Object pptx

Tài liệu Filter and Sort Records Using the DataView Object pptx

... let the users sort data using the columns, you want to display a ComboBox control and let users pick a field from the drop-drown list. How can you filter and sort records using the DataView object ... 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...
Ngày tải lên : 21/01/2014, 12:20
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Tài liệu Add and Delete Records Using Bound Controls ppt

Tài liệu Add and Delete Records Using Bound Controls ppt

... that will use the RemoveAt method of the ContextBinding object to remove the record from the dataset. The data will then be posted back to the server. Steps Open the solution for the chapter ... by clicking on the button named Delete. The record goes away, and the list is rebuilt. 1. Add a new command button under btnEdit, and then set the Name property to...
Ngày tải lên : 21/01/2014, 12:20
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Tài liệu Writing and Reading XML Using a DataSet Object ppt

Tài liệu Writing and Reading XML Using a DataSet Object ppt

... DataSet object using the ReadXml() method. This method reads the rows and columns from the XML file into DataTable objects of the DataSet. For example, the following statement uses the ReadXml() ... file using the WriteXml() method. The XML file written by this method contains the DataTable column names and values. You can write out the schema of a DataSet...
Ngày tải lên : 24/12/2013, 01:17
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Tài liệu Electronics and Circuit Analysis Using MATLAB P12 pdf

Tài liệu Electronics and Circuit Analysis Using MATLAB P12 pdf

... device. The terminals of the device are the gate, source, drain, and substrate. There are two types of mosfets: the enhancement type and the depletion type. In the enhancement type MOSFET, the ... the source and drain has to be induced by applying a voltage on the gate. In the depletion type mosfet, the structure of the device is such that there exists a cha...
Ngày tải lên : 13/12/2013, 01:15
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Tài liệu Electronics and Circuit Analysis Using MATLAB P11 doc

Tài liệu Electronics and Circuit Analysis Using MATLAB P11 doc

... 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. Sketch the magnitude ... If the slew rate is lower than the rate of change of the input signal, then the output voltage will be distorted. The output voltage will become triangular,...
Ngày tải lên : 13/12/2013, 01:15
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Tài liệu Electronics and Circuit Analysis Using MATLAB P10 ppt

Tài liệu Electronics and Circuit Analysis Using MATLAB P10 ppt

... 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 band (conduction ... semiconductor, there is a shift of the Fermi level towards the edge of the conduction band. The upward shift is dependent on how much the doped electron density has...
Ngày tải lên : 13/12/2013, 01:15
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Tài liệu Electronics and Circuit Analysis Using MATLAB P9 docx

Tài liệu Electronics and Circuit Analysis Using MATLAB P9 docx

... volt- age, the diode conducts and the capacitor is charged. When the source voltage becomes less than the output voltage, the diode is cut-off and the capacitor discharges with the time constant ... for the current I D and volt- age V D . There are several approaches for solving I D and V D . In one approach, Equations (9.10) and (9.11) are plotted...
Ngày tải lên : 13/12/2013, 01:15
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Tài liệu Electronics and Circuit Analysis Using MATLAB P8 ppt

Tài liệu Electronics and Circuit Analysis Using MATLAB P8 ppt

... Hz') The plot of the noisy signal and its spectrum is shown in Figure 8.8. The am- plitude of the noise and the sinusoidal signal can be changed to observe their effects on the spectrum. ... obtain fft and plot the magnitude z m and z p of DFT of x . The sampling interval is ts . Its default value is 1. The spectra are plotted versus the digital f...
Ngày tải lên : 13/12/2013, 01:15
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Tài liệu Electronics and Circuit Analysis Using MATLAB P7 pdf

Tài liệu Electronics and Circuit Analysis Using MATLAB P7 pdf

... Equations (7.46) and 7.47) to equations (7.35) and (7.36) we have aa aY a 11 12 21 2 22 10 1 == == (7.48) Using the describing equations, the equivalent circuits of the various two-port ... Network In the Figure 7.15, V g and Z g are the source generator voltage and imped- ance, respectively. Z L is the load impedance. If we use z-parameter repre- sentat...
Ngày tải lên : 13/12/2013, 01:15
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Tài liệu Using the Connection Object pptx

Tài liệu Using the Connection Object pptx

... Using the Connection Object As with ADO.NET, you will be using the Connection object to set up a connection to the database of your choice. As you get started looking at the different ... called btnOpenConn, and the following is the code used for the Click event, shown here in Listing A.1. Listing A.1 frmMain.vb: Code for Calling the Routine to Open and Displa...
Ngày tải lên : 14/12/2013, 20:16
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