Re: Object reference error - Visual Basic Discussion Boards

First Prev Next

Re: How to display a new button from Form1 to Form2

Duane in Japan12-Jun-07 23:42

Duane in Japan

12-Jun-07 23:42

http://msdn2.microsoft.com/en-us/library/system.windows.forms.form(VS.71).aspx

This may get you started, I thought I saw your answer a few days ago but this is all that I could find NOW.

Execute SSIS package

alexfromto11-Jun-07 11:01

alexfromto

11-Jun-07 11:01

Hi.

I have a SSIS package named TESTPACKAGE on the 2005 SQL Server.
How I can exeucte it from VB.NET?

I found some articels that refer to Microsoft.SQLServer assembly but I use older .NET Framework version (1.1) and this assembly is not availabe for me in Visual Studio (2003).

I read something about DTEXEC command. Can I use it in the Stored Procedure to run SSIS. I used this code in the Stored Procedure to run DTS package on the previsous/older SQL Server version.

<br />
CREATE PROCEDURE dbo.exportData AS<br />
Exec master..xp_cmdshell <br />
'DTSRUN /SMYSERVER /NTESTDTS /Umyaccess /Pmypassword'<br />
GO

Thank you,

Re: Execute SSIS package

Sathesh Sakthivel11-Jun-07 15:41

Sathesh Sakthivel

11-Jun-07 15:41

Don't Cross Post in Multiple Forms.

Regards,

Satips. Rose | [Rose]

Display .tiff image

Andy Finley11-Jun-07 10:38

Andy Finley

11-Jun-07 10:38

I am working on a program that displays large tiff images and interacts with a database to display attributes on the image. I get a "Parameter is not valid" exception on some of the images. I thought it was a size issue but I can open some tiffs that are greater than 10 MB. I then thought it was a bitonal image issue, but I can open some bitonal images. I don't know what to try next. Could it be combination of file size and format? Any suggestions are greatly apprecated. Thank you in advance.

Andy
Geologist
Casper, WY

Re: Display .tiff image

Dave Kreskowiak11-Jun-07 11:11

Dave Kreskowiak

11-Jun-07 11:11

The maximum size of any image in pixels is 32767 by 32767. JPEG compressed TIFF's are also not supported.

A guide to posting questions on CodeProject[^]

Dave Kreskowiak
Microsoft MVP
Visual Developer - Visual Basic
2006, 2007

Re: Display .tiff image

WYPG280619-Jun-07 6:07

WYPG2806

19-Jun-07 6:07

I have checked both of these issues, which do not appear to be the source of the problem. I can open my problem files with other programs but I cannot figure the problem here. It appears to occur when opening larger files (>2 MB) with group 4 compression (I can open smaller files that have group 4 compression). Any further suggestions are greatly appreciated.

Andy Finley
Geologist

Object reference error

nickiii11-Jun-07 5:42

nickiii

11-Jun-07 5:42

Hi All:

I'm trying to dynamically create a datagrid and fill it with XML data. But I get an "Object reference not set to an instance of an object." error when running it.

See the code below. What am I missing?

<br />
Public Sub CreateDynamicGrid()<br />
<br />
        Dim ds As New DataSet<br />
        Dim grid As System.Web.UI.WebControls.DataGrid<br />
<br />
        Try<br />
            'Place the XML information into a dataset<br />
            ds.ReadXml("C:\Temp\test.xml")<br />
<br />
            'The dataset is used as the data source for our newly created datatrid grid <br />
            grid.DataSource = ds<br />
            grid.DataBind()<br />
<br />
            'grid is added to the PlaceHolder<br />
            PlaceHolder.Controls.Add(grid)<br />
<br />
        Catch ex As Exception<br />
            Response.Write(ex.Message.ToString)<br />
<br />
        End Try<br />
<br />
    End Sub<br />

Thanks in advance!

Re: Object reference error

Tom John11-Jun-07 5:44

Tom John

11-Jun-07 5:44

Hi Nicki

Which line is thowing the error? Maybe loose the Try/Catch whilst debugging the problem.

Cheers

Tom

Re: Object reference error

nickiii11-Jun-07 5:48

nickiii

11-Jun-07 5:48

Hi Tom:

It's this line:

---------------------
grid.DataSource = ds
---------------------

I don't understand how the dataset could be blank. The file I'm pointing to in the ReadXML method has data in it.

Re: Object reference error [modified]

Tom John11-Jun-07 6:44

Tom John

11-Jun-07 6:44

I don't think it's the dataset, It looks like you have not instantiated the grid.

... as Guffa has already eluded to Wink | ;)

Hope this helps

Tom

-- modified at 12:51 Monday 11th June, 2007

Re: Object reference error

Guffa11-Jun-07 6:36

Guffa

11-Jun-07 6:36

You haven't created any DataGrid object, only a reference that can be used for the object.

---
single minded; short sighted; long gone;

Re: Object reference error

nickiii11-Jun-07 8:25

nickiii

11-Jun-07 8:25

You're right Guffa.

It works now, thanks!

Installers and updating your program

steve_rm11-Jun-07 5:38

steve_rm

11-Jun-07 5:38

Hello,

[2005]

I have a windows application and have used the windows installer to create the setup and deploy the project.

The application has been completed, and the customer just wants add some small modules to the project, and change some other modules to make more for the business.

However, the customer doesn't want to install the whole application and just wants to install the parts that have been updated. Using the windows installer the customer has to install the whole application.

Is there a installer (maybe third party) for creating a setup program that will only update the parts that have been changed or been added.

I did use clickOnce, but the customer didn't like this method as it installs under documents and settings.

Many thanks for any suggestions,

Steve

Re: Installers and updating your program

Tom John11-Jun-07 5:48

Tom John

11-Jun-07 5:48

Have a look at InstallShield, it's a full blown installation tool that will allow you to upgrade existing installations:

http://www.macrovision.com/products/installshield/index.shtml[^]

There's a bunch of others available too, no personal experience of them though... Wise seems to be popular:

http://www.wise.com/Products/Installations.aspx[^]

Hope this helps

Tom

VBA Excel Hyperlinks

DanB198311-Jun-07 4:54

DanB1983

11-Jun-07 4:54

Hi
I am opening up a workbook from Microsoft Outlook an entering a hyperlink to an email message into one of the cells. At first I was using the Hyperlink function but i keep getting a dialog telling me this function is not supported (the function works though as the hyperlink apppears and is functioning when i open the workbook afterwards). I tried to get round this by using file:///filename - this appears as standard text in the cell until i double click on it and then click away - at this point it turns into a hyperlink.

I have tried using file:/// and then programatically selecting the cell and moving away but to no avail.

Does any one know of a suitable way of doing what I want without thest issues?

Thanks

Dan

Re: VBA Excel Hyperlinks

Duane in Japan12-Jun-07 21:54

Duane in Japan

12-Jun-07 21:54

Dont know if this will help any but I used to Hyperlink thousands of cells down column A with a loop.

Here is a piece.

ActiveSheet.Hyperlink.Add Anchor:=Sheet1.cells(a,1), _
Address:=Sheet1.cells(a,1).value, _
TextToDiaplay:=Sheet1.cells(a,1).value

Then it would loop to A2, A3 and so on down the line till it errored cause I did not know how to stop the loop. (a,1) is column A and row 1, I think, maybe first row and column 1. I think row is mentioned before column???

This stated whatever text was in cell A1, hyperlink it, yes in my case it was a web address, this was several years ago. Now I use a third party macro recorder, not VBA, and it double clicks on the cell as you mentioned and creates the hyperlink through its double click leftmouseclick code.

Hope the snippit above gives you an idea, check the help file if needed.

Format a line in Outlook message

RichardBerry11-Jun-07 4:26

RichardBerry

11-Jun-07 4:26

Hi I'm using the following code to create an outlook mail message, but need to bold and undeline certain lines in the message body. How can I do this?

<br />
Dim oOutlook As New Outlook.Application<br />
Dim oMailitem As Outlook.MailItem<br />
<br />
        oMailitem = CType(oOutlook.CreateItem(Outlook.OlItemType.olMailItem), Outlook.MailItem)<br />
        oMailitem.To = "<name@domain.com>"<br />
        oMailitem.Subject = "Order Request"<br />
        Dim MailBody As String = "Hi," _<br />
        & ControlChars.NewLine _<br />
        & "Please could you place orders as per the requirement below" _<br />
        & ControlChars.NewLine _<br />
        & "I WANT THIS LINE BOLD....." _<br />
        & ControlChars.NewLine _<br />
        & "Thanks!!"<br />

Re: Format a line in Outlook message

DanB198311-Jun-07 4:57

DanB1983

11-Jun-07 4:57

Hmmm I havent tried this yet but here are some suggestions:

If the users are recieving the mail as html you could use html tags in you msg.Body

Or since outlook uses word as its email editor - open up word (in code and see what functionality this offers you)

Hope these pointers help

If i get time to look into this i shall try them and let you know my results

Dan

Edit Data

orisugbeye11-Jun-07 3:31

orisugbeye

11-Jun-07 3:31

How can i write a code to edit data from a textbox in a datagrid in vb.net

Re: Edit Data

Tamimi - Code11-Jun-07 3:54

Tamimi - Code

11-Jun-07 3:54

Explain more if you want to gat an answer

When you get mad...THINK twice that the only advice
Tamimi - Code

VB.Net(ByVal sender As System.Object) [modified]

Aman.Jen11-Jun-07 0:58

Aman.Jen

11-Jun-07 0:58

Private Sub Button1_Click(ByVal sender As System.Object, _
ByVal e As System.EventArgs) _
Handles Button1.Click

End Sub

Explain meaning of this code line below on button click event-->>>

(ByVal sender As System.Object,ByVal e As System.EventArgs)

Nitin Jenwal

-- modified at 7:10 Monday 11th June, 2007

Re: VB.Net(ByVal sender As System.Object)

Christian Graus11-Jun-07 1:35

Christian Graus

11-Jun-07 1:35

google broken where you live ?

The sender is the control that raised the event. EventArgs is useless by itself, but provides a base class for event args that actually contain information about an event, such as the key that was pressed, or the mouse location.

Christian Graus - Microsoft MVP - C++
Metal Musings - Rex and my new metal blog
"I am working on a project that will convert a FORTRAN code to corresponding C++ code.I am not aware of FORTRAN syntax" ( spotted in the C++/CLI forum )

Re: VB.Net(ByVal sender As System.Object)

Aman.Jen11-Jun-07 1:57

Aman.Jen

11-Jun-07 1:57

Thnx Great

But Are we writing it as Byval

Nitin Jenwal

Re: VB.Net(ByVal sender As System.Object)

Tom Wright11-Jun-07 7:13

Tom Wright

11-Jun-07 7:13

Basically because you are not going to make any changes to the values passed.
Remember that ByVal is if you are going to view the data or move it to someplace to do some work on it. ByRef is when you want to make a change to the data in that variable.

Tom Wright
tawright915@gmail.com

Adding items to the listview

chakor12311-Jun-07 0:34

chakor123

11-Jun-07 0:34

I am adding an item to a listview from a textbox on a button click. when i add some number of items, i am not able to view the recently added item in the listview. Vertical scrollbar is present but it doesnt automatically scroll to display the recently added item. Does anyone have a solution for this?

Last Visit: 31-Dec-99 18:00 Last Update: 26-Apr-24 20:47

Refresh

ᐊ Prev 1...2444 2445 2446 244724482449 2450 2451 2452 2453 Next ᐅ

Use Ctrl+Left/Right to switch messages, Ctrl+Up/Down to switch threads, Ctrl+Shift+Left/Right to switch pages.