Login Form Delphi by Connecting Ms Access Database.
In making/ building application in Delphi, login Form is an important to protect application so that cannot be open by irresponsible person. This login Form is connected with database so that able to keep a lot of username data and password. Before make the application, please create a database as the picture below: Picture :Login form Delphi database Microsoft Access
Save the database in the folder which use to save the application
Next step is create the application
Enter the component and the source code as follows.
No Component NameProperties Value1Label1CaptionUsername2Label2CaptionPassword3Edit1Text -4Edit2Text -5Button1CaptionLogin6Adoconnection1--7AdoQuery1ConnectionADOConnection1
Arrange the component as the picture below:
Figure. Login Form Delphi design form
Create new form
Form properties can be check in the table below No Component NameProperties Value1Form1CaptionSuccess…
In this example, will present the way how making SMS delivery program with Delphi, basically, data in data communication series between Delphi and mobile phone happen in Format Protocol Data Unit (PDU). The destination number of sending Message and message that will be sent through Delphi program that is made have to be changed into PDU Form first, next is the data will be sent through serial port to mobile phone. To make the send SMS Application , please enter the following component to Form 1.
No Component NameProperties ValueButton1CaptionConnectButton2CaptionDisConnectButton3CaptionConvert to PDUButton4CaptionSend to HPButton5CaptionClearButton6CaptionStart Send SMSButton7CaptionSet PortEdit1Text-Edit2Text<Type The SMS here>Edit3Text-Label1Caption1) Destination Number :Label2Caption2Label3CaptionPDU lengthLabel4CaptionLabel lengthComLed1--Memo1--Memo2--Comport1--Arrange the Component in such away so that the visualization program is as follows:
In this writing will discuss about how to use the chart in Delphi 7. In the example that is made by using Delphi 7, chart will appear 2 data in the form of incremental data number, the first data named data 1 and the second data named data 2. Data 1 is incremental data 1 that is begun from 0 until 10; while data 2 is same. Yet, in the beginning condition of data 1 start from 0 while data 2 start from 1.
To make application as the explanation above, please enter the components in the table below into design form.
NoComponentPropertiesValueNote1Form1CaptionThe Chart of Data on Delphi 72GroupBox1CaptionThe Chart of Data on Delphi 73Label1CaptionData 14Label2CaptionData 25Edit1Text06Edit2Text07Button1CaptionShow to Chart8Button2CaptionClose9Timer1EnabledFalse10Chart--Check the NoteNote:
Double click on chart component, set the property of chart as below: