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I also think the same, that the problem goes back to creating two instances of the form, so how can i do that, is there any way i can call that form with out creating an instant of it ?
I was thinking about creating a class to hold the data but again i gotta creat a new instant of that clas:(s !?!
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mrkeivan wrote: I also think the same, that the problem goes back to creating two instances of the form
Why didn't you say you were creating two instance of the form, it's a guarantee that this is the problem
mrkeivan wrote: is there any way i can call that form with out creating an instant of it
Yes, multiple ways, the easiest would be in the form which creates the secondary form, create a public field / property which is accessible to all the method ("processes") which you require. They can then reference the form through them.
Ed
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Thanks man, thats was very helpful
Mr.K
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Hi all,
Could any one tell or send me the differences between HTML and XML :->
Thanks alot
Hamody
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HTML is used to make web pages.
XML is used to handle data.
---
b { font-weight: normal; }
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In the project I am working on ,I need to add new records in a database and show the first column of all these existing records in a dropdownlist on the same page.The problem is that when I add a new record its value doesn't get reflected in the dropdownlist and I need to refresh the page to see the changes.What should I do so that I will not need to refresh the page and still the value will get added to dropdownlist.
Thank you.
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if you dropdownlist is called for example dropDownList1.
dropDownList1.DataBind();
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I have already done it ,my code on page load is
query = "select * from CashDataTable";
conn = new OleDbConnection("FILE NAME=C:\\abc.udl");
conn.Open();
cmd = new OleDbCommand(query,conn);
reader = cmd.ExecuteReader();
DropDownList1.DataSource = reader;
DropDownList1.DataTextField = "AcctNumber";
DropDownList1.DataValueField = "AcctNumber";
DropDownList1.DataBind();
conn.Close();
but still it doesn't work.
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you are doing that on Page_Load, that only runs when the page loads, that's why it updates when you refresh the page,
if you want to force it to update you need to call DataBind again.
I don't know how you are updating the database, You might need to set the autopostback of controls that update the database to true. In that case you won't need a separate call to the DataBind method because it's executed at the database level, however, it also depends on what you are doing the the dropdownlist, if you want to keep the selection the user makes you need to check the IsPostBack property and not bind the control every time the page loads,again, not knowing more is difficult to say how to do it.
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Hi there,
I'm looking for a free dockable panel (VS 2003/2005 like) for using in my C# windows application.
Can you help me?
Thank you in advance.
-- modified at 0:32 Saturday 1st April, 2006
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You might want to take a look at WeifenLuo.WinFormsUI.Docking, I don't know if there's a homepage for it but it's integrated in SharpDevelop and you can get the source and compiled binaries from the SharpDevelop downloads
Ed
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Hi,
I have two seperate c# projects both working fine. I can see that .NET allows multiple projects in a single solution. Question is how do I run the other project from the default solution project at runtime (I am rather new to .NET)
Thanks.
BIK
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that depends on what you want to achieve.
Usually, you will place more than one project in the same solution if they are related (not necessarily means they will run together), but many times, if you are developpig a multitier application, you will have for example your main project, which will generate an .exe (windows or console application) and some class libraries that will generate a .dll, you can run code from those class libraries by adding a reference to them to your main project (the .exe) and then, you can create instance of the classes, call methods, set properties. etc.
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I am trying to write an application that opens a telnet session and sends commands to device.
Any help will be grealy appreciated
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I am writing a C# windows program
There is a very strange problem about C# comboBox Control
That is the combobox control's edit control can not deal with mouse operation itself,nor can it deal with the standard operations the edit control can do,such as cut paste copy(actually it does not have the context menu like edit control),Why is that,Is it because I do not make some right property settings in combobox control or this control actually can not deal with that ,I should do it in my own codes,Please Help
Great Thanks
-- modified at 21:04 Friday 31st March, 2006
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the ComboBox has its own set of properties that can be assigned values just as any other control. If you select the control and have the properties windows open (if not go to view --> properties) you should see all the public properties of the control (usually the properties window displays on the bottom right side of the ide's window, unless you have configured visual studio to use floating and not docked windows).
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Thanks For Help
I know I can set these properties,but I want to know how to set the properties to meet my requirements
to let the combobox control's edit control part work like odinary edit control
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Does anybody know how to solve this problem
Please Help! Thanks!!
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How do I make a password character show up in a ToolStripTextBox instead of letters? There seems to be no property for this like in the normal textbox control.
Thanks for any repiles
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I don't think you can, you can always handle the keypress and keydown events to overwrite what the user types
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How about toolStripTextBoxItem.TextBox.PasswordChar ?
Ed
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Yeah that works thanks! Guess I should have looked a little harder
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Never mind, you will learn
Ed
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