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The MSDN topic provides an example.
"Programming today is a race between software engineers striving to build bigger and better idiot-proof programs, and the Universe trying to produce bigger and better idiots. So far, the Universe is winning." - Rick Cook www.troschuetz.de
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Yes. But it couldn't serve my need. My need is, i have created my own application, also it contains my own extension. When i click on files that are created with my application, it should open its contents in my application. This needs to be registerd in registry. So with the help of this class, I hope it can be achieved. Can u pls give a code to achieve this.?
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GunaChinna wrote: Yes. But it couldn't serve my need.
So why didn't you tell us your need in the first place. We are no mind readers.
Regarding your actual problem. Search the articles for "file extension" or something similar and you should get what you need.
"Programming today is a race between software engineers striving to build bigger and better idiot-proof programs, and the Universe trying to produce bigger and better idiots. So far, the Universe is winning." - Rick Cook www.troschuetz.de
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Yaa. Sure. Thanks a lot for ur time and patience.
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I have a XML file and I´d like to show only some collums at DataGrid.
I tryed it:
dataGrid1.DataSource = ds.Tables["Aluno"].Columns["nome"];
but it doesn´t work!!
Please help-me!!!
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ur question is not very clear ... first describe it..
Ravi Kant Srivastava
(System Analyst)
HandsOn Technology & Engineering
Gurgaon
(India)
e-mail:ravikant@hte.co.in
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I want to show only some collumns from a XML file.
I have 3 collums: IDName - Name - Age
I want that the datagrid show only Name
I tried:
dataGrid1.DataSource = ds.Tables[1].Columns["Name"];
but it doesn´t work... can you help me?
ThankS!
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Try to use the index value instead?
Like this:
dataGrid1.DataSource = ds.Tables[0].Columns[indexofcolumn];
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I already tried it.. but, doens´t work as well..
thanks!
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My task is to fill a DataSet from a data source and update another data source
in C#.
For example I have two databases in SQL Server (i.e. db1 and db2).
I have table named ProdMkt_Contrib_Link in db1 with following columns:
ProdMkt_Contrib_Link
--------------------
ProdMktContributorID (PK)
ProductMarketID
Priority
Inactive
Contrib_Type_Override
ProdMkt_Contrib_Link_ID
The above columns data should be mapped/sync to the table named
ProdMktContribLink in db2:
ProdMktContribLink
------------------
ProdMktContributorID (PK)
ProductMarketID
Priority
InactiveFG
ContribTypeOverRide
AcumenProdMktContribLinkID
Note: The table name and few column name are different
Suppose few records are added and few are updated in the
db1.ProdMkt_Contrib_Link table.
I have filled the typed DataSet (DS1) with db1.ProdMkt_Contrib_Link (this
contains only added and updated records) ans also filled the another DataSet
(DS2) with db2.ProdMktContribLink (this contains all records).
Now I want that DS1 should be sync with the DS2. That is, the added records
should be added to the DS2 table rows and also updated records should be updated
to the DS2 table rows.
How can I achieve this in c#. Please suggest any good design or sample code.
Thanks,
Kamran
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Will this get value dashboardid from table into variable 'str'?
int str = "select dashboardid from dashboardlogin where userid=101";
dashboardid is 'int' type in database.
but i have error if i use this:
Cannot implicitly convert type 'string' to 'int'.
do i need to add any other code also for getting its data into variable 'str'?
plz reply
thank you.
nekshan.
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hey this is wrong , either u write a stored procedured which will return a parameters from stored procedures..
or execute the query.
get the result set in to datatable and get ur value from there.
Ravi Kant Srivastava
(System Analyst)
HandsOn Technology & Engineering
Gurgaon
(India)
e-mail:ravikant@hte.co.in
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Your statement getsthe query string into the string variable str . The compiler error occurs, because str is declared as an int .
If you want to use LINQ to query the datasource, try this article:
http://www.codeproject.com/useritems/SudokuSolver.asp[^]
Otherwise you have to connect to the database and query it with an SqlCommand :
<br />
using (SqlCommand selectCommand = new SqlCommand("select dashboardid from dashboardlogin where userid=101", connection))<br />
{<br />
object objResult = selectCommand.ExecuteScalar();<br />
if (objResult != null)<br />
{<br />
int str = (int)objResult;<br />
}<br />
}<br />
____________________________________
There is no proof for this sentence.
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You got it all wrong.
Please read a database tutorial.
Just a hint. Someone must execute the desired sql command , don't you think?
Its just as you have written
int a="Hello World";
the you just happen to have for text an a sql command.
Read the db tutorial.
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How to do the implementation of interfaces (written using .Net) between front and Back Office applications.
Kindly assit me ASAP as i have the Client Interview On this.
Thanks and Regards
Naveen Kumar S
Naveen
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use implements keyword and mention the interface name you name want to implement for that class
class a implements interface a, interface b
...
...
*make sure all the methods of the implemented interfaces have been defined
Gautham
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class a : b { ... }
"implements" is Java !
Luc Pattyn
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Hi Friend!
From table 'dashboardlogin', i want an int type value : 'dashboardid' of a particlar row(suppose where userid =101), into a variable suppose 'str', so that i can display that variable in a function :
funEntrylogin(str, tb_id.Text, tb_pswd.Text, DateTime.Now, DateTime.Now);
Is this possible?
Can some1 plz help on it.
Thank you.
nekshan.
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select @str=dashboardid from dashboardlogin where userid=101
Gautham
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Will this get value dashboardid into variable 'str'?
int str = "select dashboardid from dashboardlogin where userid=101";
dashboardid is 'int' type in database.
but i have error if i use this:
Cannot implicitly convert type 'string' to 'int'.
do i need to add any other code also for getting its data into variable 'str'?
plz reply
thank you.
nekshan.
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nekshan,
your variable str should also be the same type of the column, here your coulmn datatype is int, so declare @str int and try.
Check whether the dashboardid datatype in your table!!!
Gautham
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Hi,
In am developing windows mobile 5.0 application using VS2005 C#.NET Compact framework(2.0).Is it support to treeview.Backcolour or not?..If not supporting any other alternate source?..Please tell me..
Thanks in Advance
Bye
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can u plz tell me how to make the treenodes collapse on a single click. I want to make a menu based on a tree view in a C# 2.0 windows Application. so the problem is that it need double click to collapse a tree node. In the after select event I tried to puit the statement e.Node.Collapse(); but it doesnt seem to be giving the result I want so can u help me?
thanks alot
Rocky
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maybe Expand() or ExpandAll() ?!
VirtualVoid.NET
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Hmm try this... For collapse use CollapseAll() And for expand use
ExpandAll() method e.g TreeView1.CollapseAll()
Q@!$3r
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