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Using FTP, IIS... or adding a shared folder on your server and adding on client computer
Visit my blog at http://dotnetforeveryone.blogspot.com/
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Help me!!
I'm launching an external app using System.Diagnostics.ProcessStart() to download data from an inventory pistol. I can't integrate this app, I only can execute it. But my problem is that it download data from comm port, and when I launch it from windows all is fine and works, but when I start It from my app doesn't communicate. Seems that can open comm port.
Can somebody hel me?
Visit my blog at http://dotnetforeveryone.blogspot.com/
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Some things to check:
1. How are you starting it outside of your application? If you are using a short-cut or a batch file, check to make sure you are using the same commad-line parameters.
2. I believe only 1 application can have the COM port open, so are you sure it's not already open when you launch it from your application?
3. Are you launching the application using the same credentials? If you are changing users in your application (using impersonation) or are launching your application as a different user, then maybe that person doesn't have rights. This includes rights to open the COM port and/or write to the "download" directory, if any.
4. Finally, as a test try launching it using a small test app that only starts the third-party app. This would help rule out ProcessStart as the culprit.
Take care,
Tom
-----------------------------------------------
Check out my blog at http://tjoe.wordpress.com
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Hi,
How can I find all textbox in a form at runtime?
Thank you
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By iterating over the controls collection of the form and check each control to see if it's a textbox
foreach(Control control in Controls)
{
TextBox tb = control as Textbox;
if (tb != null)
{
tb.Text = string.Empty;
}
}
An ASP.NET app would require a recursive solution.
Christian Graus - Microsoft MVP - C++
"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 )
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May still need to do a recursive for container such as panel, tablelayout, group, etc.
<br />
protected virtual void UnbindControls(Control control)<br />
{<br />
foreach (Control obj in control.Controls)<br />
{<br />
if (obj is Panel)<br />
{<br />
UnbindControls(obj);<br />
}<br />
else if (obj is GroupBox)<br />
{<br />
UnbindControls(obj);<br />
}<br />
else if (obj is TabControl)<br />
{<br />
UnbindControls(obj);<br />
}<br />
<br />
<br />
if (obj is TextBox)<br />
{<br />
}<br />
}<br />
}<br />
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Good point.
Christian Graus - Microsoft MVP - C++
"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 )
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I have to make an application for windows as well as a same application for mobile. It is final project of my master degree and i m very confused to decide that which type of application should i have to design.
Ahmed
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M. Ahmed wrote: It is final project of my master degree
You want to be easy...Windows. I would do it on mobile...but that's just me.
Do your best to be the best
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Hi,
I am creating dynamic button and a textbox on my asp.net page on Page_load event.I am not able to raise event of button controll.Please guid me how can I perform any opration on click event of button.
{
TextBox TryTest = new TextBox();
Button btn = new Button();
TryTest.Font.Bold = true;
TryTest.ID = "Text1" ;
btn.ID = "Btn1";
btn.Attributes.Add("runat", "server");
btn.Attributes.Add("OnClick", "Button1_Click");
btn.Attributes.Add("Text", "Press Button");
PlaceHolder1.Controls.Add(new LiteralControl(" "));
TryTest.Text = "";
PlaceHolder1.Controls.Add(TryTest);
PlaceHolder1.Controls.Add(btn);
PlaceHolder1.Controls.Add(new LiteralControl(" "));
}
Girish Soni
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This is not the ASP.NET forum.
You have to add your control before the page load event, in order for it to exist when viewstate is restored. Otherwise, your control is not there, and the viewstate is lost, including events.
Christian Graus - Microsoft MVP - C++
"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 )
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If you add OnClick as an attribute, it will just end up in the client code. It's only when you write it in the markup code that it is compiled into code that binds the event handler.
When you create the control dynamically, you have to write the code that binds the event handler yourself:
btn.Click += new EventHandler(Button1_Click);
The runat and Text attributes are also only used when you write the control in the markup code. If you add them as attributes, they will end up unchanged in the generated html code, where they have no meaning at all. Use the Text property of the control to set the text:
btn.Text = "Press Button";
---
single minded; short sighted; long gone;
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i know it is simple but i am hang , i have an string to search in string i have to search digits and spe cial characters and alphabets how can i put condition in c Sharp in if condition.
i have use it before but now i forget the way how to search in a string.
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Try using the Char class. It has some static functions that check if your character is a digit, letter and so on:
foreach (char c in s.ToCharArray())
{
if (Char.IsDigit(c))
{
Console.Write();
}
}
Do your best to be the best
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You can use the Contains method of the strng class, or for more complex searches, use regular expressons, for example, you can use \d to search for any digit in a string, using regex.
Christian Graus - Microsoft MVP - C++
"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 )
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but how can i find specific charter like "/" , "\" or something else
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string email;
for(int i=0; i<=email.Length - 1;i++)
{
if (email[i] == '(' || email[i] == ')' || email[i] == '+' ||
email[i] == '-' || email[i] == '*' || email[i] == '/' ||
email[i] == '=' || email[i] == '&' || email[i] == '%' ||
email[i] == '#' || email[i] == '^' || email[i] == ''' ||
email[i] == '?' || email[i] == '>' || email[i] == '<' ||
email[i] == ';' || email[i] == ':' || email[i] == " ")
{
//do something
}
else
{
//do nothing
}
}
Ahmed
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Wow, after three decent answers, you felt the need to post this ? It's really a messy way to go.
M. Ahmed wrote: for(int i=0; i<=email.Length - 1;i++)
Why not just i < email.Length ? Why not just foreach (char c in email) ? Why not store your special chars in an array, so the code is maintainable, or just use regex ?
Christian Graus - Microsoft MVP - C++
"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 )
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I am establishing the COM Interoperability where I'm exposing the functionality in my .net component to client developed in either vb 6.0 or vc++.
I don't have any issue regarding how to implement the COM Interoperabiliy. My problem is, to make my call from client to .net component successful, I have to put my client application also in the same path where my .net component is. If I put my client application in a path other than my .net component path then call is not successful as it fails to find out some DLL dependancy. Can someone tell me how I can run my client application independent from the .net component path.
I hope I'm clear with my question. Thanks & Regards,
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If your DLL is a COM dll, then it should register as such, and run from where-ever you like. Are you calling it from C++ or VB6 ? What is the dll it cannot find ?
Christian Graus - Microsoft MVP - C++
"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 )
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My dlls are not COM dll so I'm not registering them with registry. I have a .net component (dll) which can be accessed through COM interop by VB or VC++ client. my .net component is using some dlls so at the runtime (i.e. during client call these dlls could not be found)
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OK, well, it doesn't sound to me like you're using COM interop at all. Where does COM come into it, if you're not writing COM dlls ?
Christian Graus - Microsoft MVP - C++
"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 )
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I think we are not talking on the same line. Let me elaborate.
I have a .net application and some of the functionality of this application I have exposed through a dll. I have used COMVisible attribute to expose the functionality in this dll to other application. I register this dll with registry using regasm tool (and not through regsvr32 or something.... that's why I said I'm not registering the dll with registry). Now client developed in VB or VC++ can use this dll (registered as COM with registry) to consume the functionality exposed by my .Net application.
When I put my client application in a path other then my .net component path it fails to find out the path for the dependency dlls.
I hope now question is clear. Sorry for replying to your question is hush hush...
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KrunalC wrote: that's why I said I'm not registering the dll with registry
KrunalC wrote: registered as COM with registry
OK, spot the contradiction.
If your DLL is COM, it's in the registry and you can put it anywhere. It may still need some dlls ( it sure needs the .NET framework ), and that could be your issue. Hard to say, based on the level of detail you've provided ( I did ask once about the dlls it needs, but you did not give a specific reply )
Christian Graus - Microsoft MVP - C++
"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 )
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the COM interop dll is also using some dlls developed as part of our application. so it is failing to find these dlls n not the .net framework dll.
What i have done is I have put codebase entry in my registry along with dll registration. So i think it finds the COM Interop dll but com interop dll in turn fails to get the dependancy dlls.
hope things are clear now. If not pls revert back for more clarification. Thank you very much for your persistent support. I really appreciate it.
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