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Thanks Luc
I am using the \page command and it works fine when printing or loading into Word, just no visual cue in the RichTextBox. I hadn't realised WordPad did nothing to indicate the page break. If Microsoft left it out of WordPad I don't feel so bad about not implementing it myself.
I guess the simplest solution will be for me to insert a horizontal line in place of any page breaks and replace them with real page breaks on save.
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You're welcome.
The Man from U.N.C.L.E. wrote: insert a horizontal line ... and replace them
That sounds OK. Whatever you want to achieve, it probably can be done, but you'll have to manipulate the RTF string yourself.
FYI: as always, the document Word generates is overly complex; WordPad does a much better job, assuming it allows you to enter what you need. When working with tables, I looked at what Word does, read the RTF specs, and created it all in code, I didn't want hundreds of lines of initialization (and it gets worse in every new Office version).
Luc Pattyn [Forum Guidelines] [Why QA sucks] [My Articles]
I only read formatted code with indentation, so please use PRE tags for code snippets.
I'm not participating in frackin' Q&A, so if you want my opinion, ask away in a real forum (or on my profile page).
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The structure of my listview is:
Select ID Name Age
--------------------------------------------------
Item[0]: checkbox 25 Richard 24
Item[1]: checkbox 26 Tom 20
Item[2]: checkbox 27 Alice 22
......many.....
Now, I want to get the name or age of current item when I make the item checked or unchecked. In other words, when I click a checkbox, I need to know the index of the item. If there is only one checked item, we can use "foreach" to get the index, but there are some already checked items.For example:
Item[0] and Item[1] are checked.
I click the checkbox of Item[2], How can I know what I clicked is Item[2]? (Here is not related to SelectedItem.)
Excuse me,My English is poor. 
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You need to handle the ItemCheck event of your ListView.
The event handler skeleton inserted for you by the IDE has an ItemCheckEventArgs which contains, amongst other things, the index of the checked item and its current state (checked/unchecked). You can use this information to decide what to do.
Henry Minute
Do not read medical books! You could die of a misprint. - Mark Twain
Girl: (staring) "Why do you need an icy cucumber?"
“I want to report a fraud. The government is lying to us all.”
Why do programmers often confuse Halloween and Christmas?
Because 31 Oct = 25 Dec.
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I second that.
Are we on speed now? you actually beat me to it!
Luc Pattyn [Forum Guidelines] [Why QA sucks] [My Articles]
I only read formatted code with indentation, so please use PRE tags for code snippets.
I'm not participating in frackin' Q&A, so if you want my opinion, ask away in a real forum (or on my profile page).
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Luc Pattyn wrote: Are we on speed now?
I do not imbibe noxious substances. Now you'll have to excuse me, I have a beer, a coffee and a cigarette waiting.
Henry Minute
Do not read medical books! You could die of a misprint. - Mark Twain
Girl: (staring) "Why do you need an icy cucumber?"
“I want to report a fraud. The government is lying to us all.”
Why do programmers often confuse Halloween and Christmas?
Because 31 Oct = 25 Dec.
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So, no cacao/cocoa on Saturday?
Luc Pattyn [Forum Guidelines] [Why QA sucks] [My Articles]
I only read formatted code with indentation, so please use PRE tags for code snippets.
I'm not participating in frackin' Q&A, so if you want my opinion, ask away in a real forum (or on my profile page).
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That's for just before beddie-byes.
Henry Minute
Do not read medical books! You could die of a misprint. - Mark Twain
Girl: (staring) "Why do you need an icy cucumber?"
“I want to report a fraud. The government is lying to us all.”
Why do programmers often confuse Halloween and Christmas?
Because 31 Oct = 25 Dec.
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Any last order for cocoa? Now is the time.
Luc Pattyn [Forum Guidelines] [Why QA sucks] [My Articles]
I only read formatted code with indentation, so please use PRE tags for code snippets.
I'm not participating in frackin' Q&A, so if you want my opinion, ask away in a real forum (or on my profile page).
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I can't have my cocoa until the nurse has bought me my tablets and she's late.
Henry Minute
Do not read medical books! You could die of a misprint. - Mark Twain
Girl: (staring) "Why do you need an icy cucumber?"
“I want to report a fraud. The government is lying to us all.”
Why do programmers often confuse Halloween and Christmas?
Because 31 Oct = 25 Dec.
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I'm afraid she broke down, after having to bring you truck loads of beer, coffee and cigarettes all day long. Besides, the local pharmacies have long closed, and you shouldn't expect her to travel all the way to the other side of Wolverhampton, just to buy you some tablets. I suggest you have some more After Eights and call it a day. You can catch up on tablets on Monday.
Luc Pattyn [Forum Guidelines] [Why QA sucks] [My Articles]
I only read formatted code with indentation, so please use PRE tags for code snippets.
I'm not participating in frackin' Q&A, so if you want my opinion, ask away in a real forum (or on my profile page).
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Problem solved!
I'm so excited！Thank you. This is a good forum!
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hi, I'm using below code for a basic client/server communication. I send a string to server and server sends it back to client with no problem. But I can do this only once and then connection goes, what should I do to be able to send more strings one after other without loosing the connection? Thanks in advance
/// Server Code:
private void button1_Click(object sender, EventArgs e)
{
TcpListener tcpListen = new TcpListener(IPAddress.Parse("192.168.1.6"), 1234);
tcpListen.Start();
Socket socket = tcpListen.AcceptSocket();
if (socket.Connected)
{
while (true)
{
NetworkStream stream = new NetworkStream(socket);
StreamReader streamRead = new StreamReader(stream);
StreamWriter streamWrite = new StreamWriter(stream);
try
{
streamWrite.WriteLine("Incoming message: " + streamRead.ReadLine());
streamWrite.Flush();
}
catch (Exception)
{
label1.Text = "Server is being shutdown";
return;
}
}
}
socket.Close();
}
/// Client Code:
public TcpClient client;
NetworkStream stream;
StreamReader streamRead;
StreamWriter streamWrite;
private void button1_Click(object sender, EventArgs e)
{
try
{
client = new TcpClient("192.168.1.6", 1234);
}
catch (Exception)
{
MessageBox.Show("Not Connected");
}
stream = client.GetStream();
streamRead = new StreamReader(stream);
streamWrite = new StreamWriter(stream);
try
{
streamWrite.WriteLine(textBox1.Text);
streamWrite.Flush();
string line = streamRead.ReadLine();
MessageBox.Show("Message from server: " + line);
}
catch (Exception)
{
MessageBox.Show("Connection error");
}
streamWrite.Close();
streamRead.Close();
stream.Close();
}
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teknolog123 wrote: what should I do to be able to send more strings one after other without loosing the connection?
Dah, How about not closing the socket.
Of course, the connection is lost each time, you told it to do that. Create the connection outside of the button click event and don't close it until necessary.
I know the language. I've read a book. - _Madmatt
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thanks but even if I don't close the socket and listener, it throws exception. I've tried many things but no success, I'll go on trying
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the smart thing to do is to catch exceptions in a variable, say exc, and look at them using
exc.ToString() ; that would tell you precisely what went wrong, and enable you to find an adequate cure.
Luc Pattyn [Forum Guidelines] [Why QA sucks] [My Articles]
I only read formatted code with indentation, so please use PRE tags for code snippets.
I'm not participating in frackin' Q&A, so if you want my opinion, ask away in a real forum (or on my profile page).
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... and when you close a Socket, you should dispose of it too.
Luc Pattyn [Forum Guidelines] [Why QA sucks] [My Articles]
I only read formatted code with indentation, so please use PRE tags for code snippets.
I'm not participating in frackin' Q&A, so if you want my opinion, ask away in a real forum (or on my profile page).
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Where to start.. where to start. there's so much wrong with this code that it seems clear you haven't even a basic idea of how execution scopes work, or what happens when you leave a block of code. I'm not criticizing you, but you're lacking some fundamental knowledge here.
First, in your "server" you click a button to start.. ok, but all your code is running within that button click event.. which will lock up your UI on the server until processing is finished. This is probably not what you have in mind for a long running connection. You will most likely have to create a worker thread to handle this code, which I won't go into detail about much here.. but something for you to research into.
Next, you create new NetworkStream and StreamReader/Writer objects within your while loop. This is highly wasteful, and will likely cause a lot of problems. I believe that when the NetworkStream object is destroyed at the end of your while loop, it will close the socket that it's attached to unless you specify false for socket ownership in the constructor. So your first step would be to move those three lines to outside of your while loop (but inside the if statement), that will keep them around while you process things.
Next, you need a way to tell when the socket has been closed. Certainly, your exception handler will do that, but it's not the "correct" way. ReadLine() returns null when the socket is closed. So you should change your code to exit the loop when ReadLine() returns null.
Now on to the client. First, you will probably want to create a "connect" button and a "disconnect" button (or you can get fancy and use the same button for both). This will create the TcpClient connnection and leave it open. The close will close the connection. Then you button click will do nothing but send the text in your textbox. You may want to create a second textbox to display the output that comes back instead of using a MessageBox.
--
Where are we going? And why am I in this handbasket?
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Hey guys, I am stumped with this one.
Here is an Insert Statement that works fine in my SQLEXPRESS database.
da.InsertCommand = new SqlCommand("INSERT INTO VW411Data VALUES('S100000','P100000','12/08/57','11:04','Steven Baldwin', 'C:\\ImageDir\\S100000a.jpg', 'C:\\ImageDir\\S100000b.jpg', '0','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1','1')", cs);
The first seven fields come from objects on my form and I wrote a simple query using command parameters to create a partial record. This works also.
da.InsertCommand = new SqlCommand("INSERT INTO VW411Data(SerialNbr, ModelID, Date, Time, UserName, ImageLink1, ImageLink2, Pass,) VALUES(@SerialNbr, @ModelID, @Date, @Time, @UserName, @ImageLink1, @ImageLink2, @Pass)", cs);
da.InsertCommand.Parameters.Add("@SerialNbr", SqlDbType.Char).Value = tbBC1.Text;
da.InsertCommand.Parameters.Add("@ModelID", SqlDbType.Char).Value = tbBC2.Text;
da.InsertCommand.Parameters.Add("@Date", SqlDbType.Char).Value = textBox3.Text;
da.InsertCommand.Parameters.Add("@Time", SqlDbType.Char).Value = textBox4.Text;
da.InsertCommand.Parameters.Add("@UserName", SqlDbType.VarChar).Value = tbUserName.Text;
da.InsertCommand.Parameters.Add("@ImageLink1", SqlDbType.VarChar).Value = "C:\\ImageDir\\" + tbBC1.Text +"a.jpg";
da.InsertCommand.Parameters.Add("@ImageLink2", SqlDbType.VarChar).Value = "C:\\ImageDir\\" + tbBC1.Text + "b.jpg";
da.InsertCommand.Parameters.Add("@Pass", SqlDbType.Int).Value = 1;
cs.Open();
da.InsertCommand.ExecuteNonQuery();
cs.Close();
The remaining fields are coming from a vision system over Ethernet in a csv format. My plan was to build a statement using a variable to hold the string for the remaining fields and attach the variable to a SQL statement. My final SQL Insert statement will be an all statement so I won't have to identify the fields. Here is my question...
Can I build a statement that contains both the command parameters and holds a variable containing the remaining statement or must I create two Insert statements (First 8 fields, then remaining 126 fields)? I know the latter is preferred but it will require me to identify all of the fields in my query for a partial Insert.
I do not get involved with SQL very often so my status is newbie at this point.
Thanks of all suggestions.
Steve
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If you want to assign variables to parameters then they must be defined, no way around it. A more advanced solution may be pass one delimited variable to a stored procedure and have it parse everything.
With the number of parameters you have I would look at Entity Framework or Linq to SQL and let the framework handle the underlying assignments and sql statements.
I know the language. I've read a book. - _Madmatt
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Thanks,
I love a challenge. I'll start researching now. If you can think of anything else, just let me know. This job has so many facets I don't know if I'll ever get it right.
Steve
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Hi!
I have to add an object to an entity, but the name is not hard-coded, so I have to use the AddObject(name,obj) method instead of AddToX(obj).
Having only obj, how to elegantly obtain name?
The following two approaches work, but they are not very elegant.
1.
_context.AddObject(_table.CommandText.Substring(1,_table.CommandText.Length-2), item);
2.
_context.AddObject(((IQueryable) _table).ElementType.Name, item);
EDIT: I came up with another idea:
_context.AddObject(typeof(T).Name, item);
Is there a better solution? If not, which of these is better?
Thanks.
Greetings - Jacek
modified on Saturday, June 5, 2010 10:56 AM
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This make no sense. You have an entity object you should know what type it is, it's your code, right? Unless you have a method such as this, which is a poor design to begin with.
Add(object obj)
I know the language. I've read a book. - _Madmatt
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Mark Nischalke wrote: Add(object obj)
No, but I have a method such as this:
Add(T obj)
in a generic class.
It would be cool if an entity object had an Add method. But it does not. Instead of this, the objectContext.AddToX(X entity) method must be used, where X is a name of an entity.
However, if you look into assembly, all these AddToX methods are implemented in the following fashion:
public void AddToX(X x)
{
base.AddObject("X", x);
}
So, calling AddObject(name, object) directly is not as bad as it looks like.
I think I don't exactly understand how all this works. The properties objectContext.X represent tables, doesn't they? Why there is no Add method in them? If they had Add(T item) method then my problem would be nonexistant. Now I have to use sick statements like typeof(T).Name to get it working.
Greetings - Jacek
modified on Saturday, June 5, 2010 6:36 PM
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