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If i make a connection to database then i could receive an error like this
Error onSystem.IndexOutOfRangeException: job at System.Data.Common.FieldNameLookup.GetOrdinal(String fieldName) at System.Data.SqlClient.SqlDataReader.GetOrdinal(String name) at System.Data.SqlClient.SqlDataReader.get_Item(String name) at Web12.WebForm1.Button1_Click(Object sender, EventArgs e) in c:\inetpub\wwwroot\Web12\WebForm1.aspx.vb:line 63
how do i clear it
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Plz provide the code giving this error so that anyone here can help u out
Mubashir
Every job is a self portrait of the person who did it.
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By not trying to access fields that does not exist in the data reader.
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I have a problem regarding button of vb6. As u all know we are able to put picture on the button but the problem i am facing is tt when i click the button i wan the button to change to another pic. Is tis possible and how can it be done? lets say the name of button is btnName. So i use btnName.picture den i not sure wat to add behind already.
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Just a guess...but wouldn't you just setup btnName_Click sub and inside change btnName.picture to the source of the other image? I don't use VB6 much so I'm not sure, but you could try something like that.
if (!interested){return false}
amclint
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ya i know is to change the btnname.picture to the source and this is oso wat i did but it dun work. i not sure is it because i done it wrongly a not.
i put btnname.picture = ("source URL")
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You need to use the LoadPicture function.
For Example. Say the picturebox's name is Picture1. On the "Picture1_Click" event, use the following code.
Private Sub Picture1_Click()
Picture1.Picture = LoadPicture("c:\myapp\myimage.bmp")
End Sub
Hope it helps.
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Done.. It helps greatly.. thanks
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Hey guys,
can any 1 tell me what is the simple way to fill a combobox from a Database
Using vb.net2005 & Sql
Regards
Ramy
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Hi,
Bind a datatable with Combobox using datasource property of the combobox. Your datatable should have the results fetched from the DB. Furthermore you can set DisplayMember and ValueMember for combobox.
Mubashir
Every job is a self portrait of the person who did it.
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oledbconnection1.open
dim a as integer=combobox1.selecteditem
oledbcommand1.commandtext= "inser into tablename(itemname) & _
"values( " & a & " )
oledbconnection1.close
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Hi Everybody,
I need help related to IP address and MAC Address. I have a network device "Mini port" from Lantronix, which is used for to retrive data from serial port and send it to LAN network, my requirement is, In the initial stage it will have only MAC address known by user, I want to search for the MAC Address and assign IP address for the same like in "print server". If anybody have solution for the same, please let me know in details.
Thanks in advance,
Ajith
Ajith
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Good day to all developers here in code project! I'm currently developing a client/server application using VB6. I want to create a unique id code with a combination of letters and numbers (ex. IdCode = "PT-06-0001") and the source of autogeneration is from my table in access 2000 with an autonumber field. What is the best approach in retrieving this number if user A and user B transact at the same time?
Thank you in advance...
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I have designed a cheque printing software,and its on network , printer in HP 1100 jet i cant programatically change paper size in VB, its as access denied tho its shared printer, any help.. i need custome paper size of 7.2 X 5.0 and HP 1100 does not show customer paper , tho i tried using Server properties and made a new custom paper
Varun Kumar
-- modified at 6:13 Monday 4th December, 2006
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Good day all,
Using VB6, I am trying to send the Tear Off Command to an Epson LX300 printer. I have tried sending "Chr(27) + Chr(74) + Chr(144)" to the printer as the "Feed to Cutter" command, but this does not seem to work.
Any help would be appreciated.
Janine
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give more details. exactly what u want to do..?
1) roll feed paper...?
2) custom size paper...?
3) using printer object or datareport or something else...?
Thanks & Regards...
Amit
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Apologies for the incomplete information.
The printer uses roll feed paper.
I'm printing directly to the printer port.
Here is a code snippet:
CurrentFileNum = FreeFile
Open PPort For Output As CurrentFileNum
Print #CurrentFileNum, ""
Close CurrentFileNum
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Hello all I'm looking for a turorial that shows data access and gives some insight into database creation. I'm trying to put together my own applications but I'm finding data access difficult. I'm not really sure what attributes to give my table obects(I know what I would give them in access but I'm not familiar with sql). Also I'm just getting to know 'visual web dev 2005 exp' so I think getting through a few tutorials would help. I've been going through (http://www.asp.net/learn/dataaccess/default.aspx?tabid=63), They are good but the databases are already created. If you don't know of any could you tell me where you learned how to work with sql. Any help would be appreciatted
all hail the king of the numpties
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Microsoft have a downloadable pdf file called something like "MS Visual Web Developer 2005 - Build a WebSite.pdf" and similar such files for C# and VB.Net languages Express Editions.
These books give a gentle introduction to web design, C# & VB.Net programming for the .Net2 framework. However, they don't go deep enough in terms of database design.
It would be worthwhile you visiting Microsoft's website and searching for the MS Access version of their Northwinds Demonstration Database and then using the MS Access application (part of MS Office) to take apart that database. Look at the structure of the tables and how they relate to one another and later look at the queries and try to understand what they are doing. It is not something that will take just a few minutes to learn, and sometimes it can be frustrating, so be patient.
It is worth your while reading tutorials from the basics and I give you some internet links to try. By reading these in conjucntion with taking apart the demo database you will learn much which generally is knowledge transferable to other database systems.
MS Access 97 [^] a series of pdf tutorials.
Basic Database Guide [^]
modified 1-Aug-19 21:02pm.
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Hi,
any one have an idea to encript any text file so that no one can read that file without my permission.
Thanks,
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Hi,
I am new in VB.NET web service development and have problem when add web reference for a web service at production server while it's no problem
at development server. The error message was
"There was an error downloading 'http://xxx.xx.xxx.xx/Service1.asmx'.
The underlying connection was closed: An unexpected error occurred on a receive.
Is anyone can help?? TIA
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"xxx.xx.xxx.xx" is not a valid domain name. Is that an IP address that you have replaced? If so, is it an address that is reachable from the server?
When do you get the error message? Do you always get the error message or sometimes?
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yes "xxx.xx.xxx.xx" is an IP address and the address is reachable
I always get that error message when add web reference.
I already simulate with my other local computer (Windows 2003 server)
that installed with same web service and had same error.
Is the server or my Windows 2003 server require to install UDDI Service?
If so, where can I get resource about UDDI Service installation and
configuration?
Thx
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hi
anybody got sample code in vb.net to communicate with vc++ by event programming.
thanks in advance.
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WM_COPYDATA is the easiest way, but I have no samples. Google does.
Christian Graus - Microsoft MVP - C++
Metal Musings - Rex and my new metal blog
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