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I would like to write custom stringconverter for my own class so propertygrid can display correct string representation of the object.
but how to override method to convert string back to the object?
I wonder how microsoft does it with bitmaps or collections. Collection object is converted into the string as "(Collection)". but how this string is converter back to the actual collection? does anyone know what's the trick here?
thank you
luke
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Hi,
When the treeView control's nodes are right-clicked,
the selectedNode of the treeView won't be changed unless
it is a left-click mouse event.
My problem is that I associated context menu to the tree
nodes, so user just right click the node to use the context
menu, however the selectedNode isn't the node that the context menu
is launched.
So how can I set the selectedNode to the node that is right-clicked ?
Thanks
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Subscribe to the MouseDown event of the TreeView and do this
if (e.Button == MouseButtons.Right)
{
Point point = new Point(e.X, e.Y);
TreeNode node = treeView.GetNodeAt(point);
if (node == null)
return;
treeView.SelectedNode = node;
Regards
Senthil
_____________________________
My Blog | My Articles | WinMacro
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Hi,
I can't copy and paste plain from other sources into the RichTextBox control in C# application, but the TextBox control can, why ??
And is it possible to directly copy the stuff (e.g. image, text, table) from MSWord 2003 to the RichTextBox control ?
Thanks
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You can only copy Text from Word. You can't copy tables or images because Word objects are not support by the RTB.
RageInTheMachine9532
"...a pungent, ghastly, stinky piece of cheese!" -- The Roaming Gnome
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Hi!!
I'm currently a student who is doing my final year project but somehow i was new to the software i'm using which is C# and had few problems. Firstly, i have design a user log in Web Application. I have created a UserID and Password on the web application and a login button. I need to check from the database whether i have key in correctly ant.. What should i do or use to know whether i have key in correctly. I have try to use the try{} catch{} and other methods but it seem that it is wrong.. Anyone who have done this kind of project, care to share with me ?? Thankz... =)
HappY Day =p
Cheese_kid =p
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Maybe you know Excel 2003 enables you to set xml maps using menu command.You can select route,data/xml/xml source….,then the xml souce panel window will be displayed in the right screen.And you set xml maps by using click the xml maps button. So the problem is I want to use csharp code instead of this UI produce.
I try to find a event or a funcation in the Excel SDK. But I complete loss of hope, however the problem is very necessary and important.Can help me how to coding? Thank you very much!!
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Here is an byte[] array.
I want to convert it to a stream , in order to use the Binary.Reader class.
Thanks!
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Use the System.IO.MemoryStream class. You can create an instance of this stream with a byte[] array. Pass this instance to the BinaryReader class.
Human beings were not meant to sit in little cubicles staring at computer screens all day, filling out useless forms and listening to eight different bosses drone on about about mission statements. -- Peter Gibbons
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Hey all! I need to learn about I/O with a pocket pc. Anyone have any good links that they could direct me to?
In either Vs 2003 or Vs 2005.
I will be one of the most sought after software developers!
www.neumont.edu
-- modified at 15:55 Tuesday 18th October, 2005
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hi
I am creating an automated browser using axwebbrowsr control. When i make a visit to a page it shows a username password dialog box. Here, how can i fill that one.
And also i need to click a javascript menu to goto next page. Let me know is it possible. This page contains frames.
thank you.
rajesh
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I have this set of code which is suppose to take a dataset, transfer it to a server via a web service, and then populate a databse with the information that is in the dataset however, I have an error where there appears to be no data in the dataset once it gets to the webservice, the data seems to be fine when it leaves the program, but is lost by the time it gets to the server.
userinfo is the WebService
here is the code for the program:
private void button2_Click(object sender, System.EventArgs e)<br />
{<br />
try <br />
{<br />
dg1.Tables[0].Rows[0]["COMPANYNAME"]=txtCompany.Text;<br />
dg1.Tables[0].Rows[0]["FAX"]=txtFax.Text;<br />
dg1.Tables[0].Rows[0]["PHONE"]=txtTelephone.Text;<br />
dg1.Tables[0].Rows[0]["POSTALCODE"]=txtZipcode.Text;<br />
dg1.Tables[0].Rows[0]["COUNTRY"]=txtCountry.Text;<br />
dg1.Tables[0].Rows[0]["STATEPROVINCE"]=txtState.Text;<br />
dg1.Tables[0].Rows[0]["CITY"]=txtCity.Text;<br />
dg1.Tables[0].Rows[0]["ADDRESS2"]=txtAddr2.Text;<br />
dg1.Tables[0].Rows[0]["ADDRESS1"]=txtAddr.Text;<br />
dg1.Tables[0].Rows[0]["Title"]=txtTitle.Text;<br />
dg1.Tables[0].Rows[0]["NAME"]=txtName.Text;<br />
dg1.AcceptChanges();<br />
MessageBox.Show(userinfo.SetUserInfo("uberducks2", dg1, UserID.GetValue("UID").ToString()));<br />
cmdApply.Enabled=false;<br />
}<br />
catch (Exception d)<br />
{<br />
MessageBox.Show(string.Format("Error During Runtime: {0}", d.Message));<br />
}<br />
}
This is the WebService Code:
public string SetUserInfo(string AuthID, DataSet dg1, string UserID) <br />
{<br />
if (AuthID=="*****") <br />
{<br />
try <br />
{<br />
string Name=dg1.Tables[0].Rows[0]["NAME"].ToString();<br />
string Title=dg1.Tables[0].Rows[0]["TITLE"].ToString();<br />
string Addr=dg1.Tables[0].Rows[0]["ADDRESS1"].ToString();<br />
string Addr2=dg1.Tables[0].Rows[0]["ADDRESS2"].ToString();<br />
string City=dg1.Tables[0].Rows[0]["CITY"].ToString();<br />
string State=dg1.Tables[0].Rows[0]["STATEPROVINCE"].ToString();<br />
string Country=dg1.Tables[0].Rows[0]["COUNTRY"].ToString();<br />
string Zipcode=dg1.Tables[0].Rows[0]["POSTALCODE"].ToString();<br />
string Telephone=dg1.Tables[0].Rows[0]["PHONE"].ToString();<br />
string Fax=dg1.Tables[0].Rows[0]["FAX"].ToString();<br />
Oconn.Open();<br />
string sqlcmd="UPDATE ACCOUNTUSER SET COMPANYNAME = '"+Company+"', NAME = '"+Name+"', TITLE= '"+Title+"', ADDRESS1='"+Addr+"', ADDRESS2='"+Addr2+"', CITY='"+City+"', STATEPROVINCE='"+State+"', COUNTRY='"+Country+"', POSTALCODE='"+Zipcode+"', TELEPHONE='"+Telephone+"', FAX='"+Fax+"' WHERE USERID='"+UserID+"';";<br />
SqlCommand brb=new SqlCommand(sqlcmd, Oconn);<br />
brb.ExecuteScalar();<br />
Oconn.Close();<br />
return "it seems to have worked.";<br />
} <br />
catch (Exception e) <br />
{<br />
return e.StackTrace.ToString();<br />
}<br />
}
http://digg.com
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i want to save a file (.bmp) in a isolated storage, then delete it, how?
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Using IsolatedStorage[^] You'll find an example of how to create a file.
RageInTheMachine9532
"...a pungent, ghastly, stinky piece of cheese!" -- The Roaming Gnome
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Hello everyone. It's me again. I am working on this project and I want to save information to this datatable, and when the user clicks submit, it should be saved into another datatable. The only problem is everything gets reset, so I was wondering if anyone knew of a way for that not to happen.
Sincerely,
The Major Rager
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Set the data in your grid inside a !IsPostback block.
if (!IsPostback)
{
grid.DataSource = .....
}
Christian Graus - Microsoft MVP - C++
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Hello, thanks for replying to my question. The thing is however, that I want the user to click the submit button, and when the user does click it, the information that is in the temporary datatable should be stored into another datatable. So that !IsPostback would not work for me.
Sincerely,
The Major Rager
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Not using IsPostback is the reason your table is being reset every time. You can copy the data in your event handler, but unless you make sure it's not reset every time using ispostback, it will be.
Christian Graus - Microsoft MVP - C++
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Sori for the no-brainer commet but that's the 1st time i've seen Christian Graus post an actual code. Must be in a good mood...
But i totaly agree...by not using IsPostback, everytime you refresh the page everything resets to what you initialy set it to and thus does not display whatever changes you have made 
Aim small, miss small...
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tatchung wrote: 1st time i've seen Christian Graus post an actual code.
Really ? I post code all the time, in fact I ran up a VB project to write some code to help someone earlier today.
But yeah, I find I tell more and more people to use google. Not to be rude, but to be honest, because it's not helping them to tell them anything else. every developer needs to be able to do some research.
Christian Graus - Microsoft MVP - C++
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Christian Graus wrote: every developer needs to be able to do some research.
Amen to that!
Gud luck on ur dilema ranger!
Aim small, miss small...
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Hello, thanks for replying to my message. The !IsPostBack does not work in my case, because when the user clicks the submit button, it goes to the form load and it is a post back, so it does not get stored to the datatable.
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I don't get it. The code to load the initial data to the form goes in the !IsPOstback block, not the code that you WANT to run on postback. That would go in an else block, surely ?
Christian Graus - Microsoft MVP - C++
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You may try to store it on a local database or a file to be not reset,or if its not so much data you may store it in the Session collection till you copy it and then delete it again.
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