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How to create program in delphi

Thier is two table first call master and anothr call detals

Q for detal form design for input

if i create three field in table
first is title varchar (20) second field call datatype varchar (30) and third field call descriptions varchar (60)
during the input i would like to create popup for help from table and same data filed and its has to verify its similar data exhiting in data base let them select and change datatype as per located data user second datafield entry popup has to de active if first field data title is new then user second field popup should active

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  • Iqbal Husain
    Iqbal Husain May 11, 2010

    i can help you but i did not get what you actually want to. do you want to create new table using intractive mode, or you want to just store the input in your tables (All ready created).

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1 Answer

I wants to create form for data input
with the condition

Posted on Mar 15, 2008

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I need to link information from a table in Access to the forms that are created.


Observe the microsoft access program feature function buttons to attain link features. Familiairisation with the program makes resourcefulness attainable. Refer from the programs menu bars where feature functions are attainable. However, usually the user has to have resources on the display that can be costomiseable.

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How to create crystal report in asp.net with vb script code


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Access 2000 forms and combo boxes


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How to connect vb with ms access


se Adodc OR Even better.. ADODB. for this you need to get MDAC fromMicrosoft free download.(check under project_References- Microsoft DataActiveX objects.. the current no is 2.8. if it is not there download invb directory.

next, you can learn about creating a DSN from control panel, ODBC. onceyou learn this, connection becomes a piece of cake. get some free vbtutoriasl from WWW.

then

you need to use DAO or ADO to connect to the database. better study both but since ADO is current, i am showing that code.
under Menu Project_References, put a check mark on Microsoft ActiveXData Objects latest version (though it works for all, currently 2.8with sp pack 1 ).

at the general declarations:
dim conn as adodb.connection, rec as adodb.recordset, esql as string,esql1 as string
Private Function connect()
Set rec = New ADODB.Recordset
Set conn = New ADODB.Connection
esql = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & "D:VBDesigndhana2.mdb" & ";Persist Security Info=False"
'here you put the correct path of your mdb file. and check if you have jet 4.0

conn.Open (esql), , , 0
End Function

private sub form_Load()
connect
end sub
and for adding records:
say let us say you have 3 fields. then have 3 textboxes and 1 command button on the form.

private command1_click()
esql1="select * from Yourtablename"
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rec.AddNew
rec.Fields(0) = text1.Text
rec.Fields(1) = Text2.text
rec.Fields(2) = text3.text
' you need to check if in your access table design you have Allowed Zero length .. set it to Yes for all text fields.
rec.update
if not rec.eof then rec.movenext
rec.close
conn.close
set conn to nothing
end sub

this will add new records to access table from VB.
' for picture store the full path of the path and the picture file nameint the text field. and in the picturebox of VB form for viewingrecords again you need ADO or ADODC and here you code:picture1.picture=Loadpicture(rec.fields(3) ' depending on where thepicture field is located. you need to make a few trials.
under Menu Project_References, put a check mark on Microsoft ActiveXData Objects latest version (though it works for all, currently 2.8with sp pack 1 ).

at the general declarations:
dim conn as adodb.connection, rec as adodb.recordset, esql as string,esql1 as string

Private Function connect()
Set rec = New ADODB.Recordset
Set conn = New ADODB.Connection
esql = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & "D:VBDesigndhana2.mdb" & ";Persist Security Info=False"
'here you put the correct path of your mdb file. and check if you have jet 4.0

conn.Open (esql), , , 0
End Function

private sub form_Load()
connect
end sub

and for accessing records:

private command1_click()
esql1="select * from Yourtablename where id =" & val(text1) ' for integers

esql1="select * from Yourtablename where name=" & "'" & text1 & "'" ' for string

rec.open(esql1),conn, adOpenstatic, adLockreadonly

label1.caption =rec.Fields(0)
label2.caption= rec.Fields(1)
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' you need to check if in your access table design you have Allowed Zero length .. set it to Yes for all text fields.

rec.close
conn.close
set conn to nothing
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' similarly there are routines to ADD, Delete, Edit, View etc.

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1 Answer

Creating a simple game using delphi language...


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1 Answer

How to add items in combobox using database in vb6.0


There are 2 ways:-

you can set the recordsource in the properties for the comboBox to a table or create a recordset and loop through it adding one item at a time, see example below:-


Dim dept As String
Dim db As DAO.Database
Dim rst As DAO.Recordset
Dim qd As DAO.QueryDef
Dim varResults
Dim oMessage
Dim sQueryName As String
Set db = CurrentDb
mdbname.[Form_Name].Department.SetFocus
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sQueryName = "Query_Name"
Set qd = db.QueryDefs(sQueryName)
'
' set up input field for query
'
qd.Parameters("field_from_query") = dept
Set rst = qd.OpenRecordset()
Dim recCount As Integer
recCount = rst.RecordCount
If recCount > 0 Then
With rst
.MoveLast
.MoveFirst
Do While Not .EOF
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listboxCode.AddItem .Fields("pcode")
listboxPrice.AddItem .Fields("pprice")
.MoveNext
Loop
End With
rst.Close
Set rst = Nothing
Set qd = Nothing
Set db = Nothing

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2 Answers

Can I get the asswer for the below questions


A book shop maintains the inventory of books that are being sold at the shop. The list has details like author, title, price, publisher and stock position. Whenever a customer wants a book, the sales person inputs the title and author and the system searches the list and displays a suitable message if it is not available. If it is available, the system displays the book details and requests for the number of copies required. If the copies are available, the total cost of the copies requested is displayed, otherwise the message ‘copies not in stock’ is displayed.
Design a system using a class called BOOKS with suitable member functions and constructors. Use new operator in constructors to allocate required memory space.

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