|
You cannot change a column at runtime. Once the column has been created, that's it. It stays that way for the life of the column. You have to create a new column to replace the old one with.
|
|
|
|
|
hi,,
i want to show checkbox in datagrid, i used DatagridBooleanColumn
& i binded my datatable to datagrid , in my datatable i have a boolean column also.. And the checkbox is showing too.. but it have tri-state. i also tried to change the allownull property of DatagridBooleanColumn to false, but still it have tri-state.. have any idea...
cheers
Sam GCEM Bahrain
|
|
|
|
|
u can try with Template Grid, just add with Check box filed with the template field 
|
|
|
|
|
Dear All
Now i about to start to make a Remote desktop software like "GoToMyPC" ..etc
but in LAN where i see the desktop of the remote PC and i can open folders or run programs using a client software in each remote PC
My Ques. How to start such program ??
I don't asking for a whole code just the idea
Indeed the most diff. part , is how to open folders or run programs ?? in other how to send mouse events like click DBclick right click drag ...etc to the remote PC ??
thanks all
bye
|
|
|
|
|
|
well sir
it is just more than captureing its screen , i need to control what i see asif i'm sitting on his PC , for example i can open IE then browse any site and download files (ofcouse to his HD) , well i want to make something like the remote desktop of winXP on LAN
I find someone speak that there is an activex/com for microsoft Remote Desktop
any one has any idea thanks
|
|
|
|
|
yes there are some Com, but if you use that one client system will logged off. Do want same like Microsoft Remote Desktop ????
|
|
|
|
|
no ofcourse , i don't want to be logged off !!
So what is the solution??
thanks
bye
|
|
|
|
|
Good Day
I have a structure with a variable cookicontainer
Public Structure UserInfo
Public User As String
Public Pass As String
Public Cok As CookieContainer
End Structure
Check values as follows:
For Each coo As Cookies m_httpwebresponse.Cookies
M_httpwebrequest.CookieContainer.Add (coo)
User.Cok.Add (coo)
Next
How can assign to next httpwebrequest values cookie?
Thanks in advance
fulvio
|
|
|
|
|
This question belongs in the ASP.NET Forum. It really has nothing to do with VB.NET.
|
|
|
|
|
Buon Giorno
Ho una structure con un variabile cookicontainer
assegno i valori cosi :
Public Structure UserInfo
Public User As String
Public Pass As String
Public Cok As CookieContainer
End Structure
For Each coo As Cookie In m_httpwebresponse.Cookies
m_httpwebrequest.CookieContainer.Add(coo)
User.Cok.Add(coo)
Next
come posso assegnare alla httpwebrequest successiva i valori del cookie ?
Grazie in anticipo
Fulvio
|
|
|
|
|
In my grid view control I am displaying all the records in a table stored in data base. I am setting the attribute "AutogenerateDeleteColumn" to true, and I am handling "rowdeleting" event. one of the columns in data base have a file name stored in hard disk. when ever I delete a row, I need to delete that particular file from systems' memory. how can I do this in rowdeleting event ?
how can I fire "rowdeleted" event? is it possible to handle "row deleting" and "row deleted" events in same apllication?
thanks for ur suggestions,
with regards,
kiran
|
|
|
|
|
kadkir wrote: how can I fire "rowdeleted" event? is it possible to handle "row deleting" and "row deleted" events in same apllication?
after u click on delete button , first rowdeleting occured then row delted occured.
if you want to check any condtion before deleteing the try it in "Rowdeleteing" section
|
|
|
|
|
I have some problem .I want to create the menu at run time.User will enter some value into database by another form.the value should appear as new menu.My backend is MS access & front end is VB.net2003
after that,if user click on the menu it should disply the corrosponding report.
plz reply
poonam
|
|
|
|
|
Could you send the code?
So that we can tell you where the problem comes from!
|
|
|
|
|
'Counting Values of Database
s = "Select srno from cash"
com = New OleDbCommand(s, con)
con.Open()
dr = com.ExecuteReader
While dr.Read
n = dr(0)
End While
con.Close()
'Selecting Account Type
s = "Select account from cash"
com = New OleDbCommand(s, con)
con.Open()
dr = com.ExecuteReader
While dr.Read()
a = dr(0)
End While
con.Close()
For i = 1 To n
Dim mShowMenuItem As MenuItem
mShowMenuItem = DirectCast(sender, MenuItem)
mShowMenuItem.MenuItems.Clear()
Dim mSubSubMenuItem3 As New MenuItem
mSubSubMenuItem3 = New MenuItem
mSubSubMenuItem3.Index = i
mSubSubMenuItem3.Text = a mSubSubMenuItem3.Enabled = True
mSubSubMenuItem3.Visible = True
AddHandler mSubSubMenuItem3.Click, AddressOf MenuClickHandler
mShowMenuItem.MenuItems.Add(mSubSubMenuItem3)
Next
poonam
|
|
|
|
|
Create a MenuItem object set its properties according to your requirements then add it to your main menu then declare its Click event handler and use AddHandler to connect it with the click event of the created menu item object.
Hope it helps !
AliAmjad(MCP)
|
|
|
|
|
thanx for ur reply.But I don't know how to start.Can u explain it by coding.plz it very urgent.plz help me
poonam
|
|
|
|
|
the below code generating a single menu.it was not working properly.I don't know hw to proceed???
[code]
For i = 1 To n
s = "Select account from cash"
com = New OleDbCommand(s, con)
con.Open()
dr = com.ExecuteReader
While dr.Read()
a = dr(0)
b = a
'End While
'con.Close()
'For i = 1 To n
Dim mShowMenuItem As MenuItem
mShowMenuItem = DirectCast(sender, MenuItem)
mShowMenuItem.MenuItems.Clear()
Dim mSubSubMenuItem As MenuItem
' This second sub menu item causes a problem:
mSubSubMenuItem = New MenuItem
mSubSubMenuItem.Index = i
mSubSubMenuItem.Text = b
mSubSubMenuItem.Enabled = True
mSubSubMenuItem.Visible = True
AddHandler mSubSubMenuItem.Click, AddressOf MenuClickHandler
mShowMenuItem.MenuItems.Add(mSubSubMenuItem)
i = i + 1
End While
con.Close()
Next
poonam
|
|
|
|
|
halllooo
I create report with list...I have 2 list. list1 is main list, list1 have list2.
list1 group by year, in list1 I have textbox sum(SIZE) -> group by year
in list2 group by treeage , in list2 I have textbox, the value is SUM(SIZE)-> group by treeage / SUM(SIZE) group by year.
me problem is, how get data from different list in different group.
|
|
|
|
|
Hi!
In my classic asp page if the session time out and user try to interact with the system it redirect to login page but once it logs in it doesnt redirect to earlier request made by user but need to start from beginning again. is there any way i could redirect to previous requested page.
please help
-- modified at 2:03 Tuesday 30th October, 2007
|
|
|
|
|
This is a question for the ASP.NET Forum. It really doesn't have anything to do with VB or VB.NET.
|
|
|
|
|
DataGridView Help... Manual Loading of ACCESS Records into DataGridView
I have read such an article and code about mannual loading of records from database into datagridview not by means of "DataReader and FOR LOOP" looping process to each rows and cells to put each corresponding value..
instead? he just use an OleDataAdapter to fill a DataTable and set the "DatagridView.AutoGenerateColumns = false" then he set DataGridView.DataSource = DataTable that he made..
for him it works.. but for me i dont know what's lacking in my code.. there's no error occur but the records doesn't display inside my pre-defined column inside my datagridview.. instead? it just generate a blank row with the same rowCount of my table inside my database..
but when i set my DataGridView.AutoGenerateComlumn = true?
then it display on system way.. but not in the way i wanted it to be display inside my custom column inside the datagridview....
here's my sample code...
************
Dim oleDataAdapter1 As OleDbDataAdapter
Dim OleCommandBuilder1 As OleDbCommandBuilder
Dim dbDataSet As New DataSet()
Dim tempDataTable As DataTable = dbDataSet.Tables.Add("tempTable")
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Try
oleConnection.ConnectionString = dbConnectionString
oleConnection.Open()
oleCommand = New OleDbCommand("Select * From tempTable", oleConnection)
oleDataAdapter1 = New OleDbDataAdapter(oleCommand)
OleCommandBuilder1 = New OleDbCommandBuilder(oleDataAdapter1)
oleDataAdapter1.Fill(tempDataTable)
With DataGridView1
.AutoGenerateColumns = False
.DataSource = tempDataTable
End With
Catch ex As Exception
MsgBox(ex.ToString())
Finally
oleCommand.Connection.Close()
End Try
End Sub
**************
Note:
I have 4 column created inside the datagridview..
columnName(ID,NAME,DATE,AGE) dataType(string,string,date,number)
I know.. you can laugh at me.. just can't figured it out.. ehehe... please help...
Please anyone there who has much deeper experience and knowledge in vb programming who can help me with this??? please.. a lot of appreciation in advance... please...
|
|
|
|
|
What does the column generation code look like?? You're probably missing setting the DataPropertyName for each column. This tells the column which column in the DataSource to bind to.
|
|
|
|
|
Sorry I'am from Mexico, my english es very mistaken.
I need mix Assembly language with VB 2005.
I need get a information of the PC ( RAM, HD size ) with
a aplication assembler and display the information in my
WinForm of Visual Basic 2005.
thanks for your aid !!!
|
|
|
|
General 
News 
Suggestion 
Question 
Bug 
Answer 
Joke 
Praise 
Rant 
Admin 
Submit an article or tip
![Rose | [Rose]](https://www.codeproject.com/script/Forums/Images/rose.gif)
