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Hi
i have a tree view control in my application. and they all have one level of child nodes. How can i select a particular child node by coding.
eg,
a
1
2
b
11
12
13
in this above how can i highlight the 12 node.i.e making the 12 node to look as if it is selected.
plzz help. thanks in advance.........
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Hi!
First you have to get a reference to the node you want to select and then you just have to call myTreeView.SelectedNode = theNodeReference;
Regards,
mav
--
Black holes are the places where god divided by 0...
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thanks for ur reply
but then if u pass the node reference of a child node it is not accepting.... can u help me more plzzzzz
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What do you mean by "it is not accepting"?
Either you have a reference to an existing node anywhere inside your tree, in which case the mechanism is working, or you don't have a reference to an existing node, in which case I'd expect the treeview to not select anything.
But without any code from your side it's impossible to tell what you did wrong.
Regards,
mav
--
Black holes are the places where god divided by 0...
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Try something like this:
foreach (TreeNode node in myTree.Nodes)
{
if (node.Text == "12")
{
myTree.SelectedNode=node;
break;
}
}
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Hi....
i want to export dataset to excel sheet....
this i was able to do , but excel sheet should be alligned such that whole column name must be seen...user should not explicitly expand the columns to read the column name.....
Can anybody help me in this???????
bye bye.
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How to count the number of words in a document file........
And can i do formating also using c# to a .doc file,, such as changing background color of a particular word...........Any help .......
its urgent plzzzzz
sanjeev
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hi sanjeev,
You can read the document first of all in a string, then find the number of occurences of <space> in the string.
sharma sanjeev wrote: And can i do formating
You will have to study the format of .doc file first to insert formatting in the file. When you know the format for, suppose italics, then you can insert that character in the right place.
You can also use Rich text box for formatting, if it supports .doc formatting (I am not sure abt the formats)
Hope this helps you.
"A good programmer is someone who looks both ways before crossing a one-way street." -- Doug Linder
Anant Y. Kulkarni
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How to validate a variable for numeric value.
Is any function is there to validat
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Use Char.IsNumber(char c)
or parse it, for example Int32.Parse(string s);
if you get an exception, that means your
string is not a number.
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int n;
if(int.TryParse(s, out n))
{
// n now contains your int
}
else
{
// was not a number.
}
Christian Graus - Microsoft MVP - C++
Metal Musings - Rex and my new metal blog
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Hi everybody!
I'm trying to serialize an object (PrintableListView that was posted on the site). to do that I created a class that will hold my object, and I marked it as [Serializable()].
The problem is that on the line:
bformatter.Serialize(stream, serial.plv);
when I'm trying to serialize the serial.plv (I marked plv as public), I get an exception, saying "Type 'PrintableListView.PrintableListView' in Assembly 'PrintableListView, Version=1.0.2088.26378, Culture=neutral, PublicKeyToken=null' is not marked as serializable." although I did marked the class as Serializable().
Does anyone have any Idea what could be wrong and how to fix it???
THANKS ALOT!!!
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Hi,
PrintableListView is derived from ListView class. And the ListView class is not declared [Serializable()]. Thats why you cannot serialize the derived class PrintableListView objects.
If you want to save some data between the application runs then you can programmatically save the data to a text or binary file and read the data into the control when you start application next time.
Hope this helps !
"A good programmer is someone who looks both ways before crossing a one-way street." -- Doug Linder
Anant Y. Kulkarni
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Thanks alot! I thought thats the case, but I hoped it wasn't. 
oh well... 
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I am very needly your help.
I am doing update data from DataSet to DataBase using SqlDataAdapter and using SqlCommandBuilder. , but don't successfully.
Thank you very much.
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hi
could you provide your code, so that we can help you !!
Tamimi - Code
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Thanh you very much.
Today i have a example so that I am very your help.
My Code is very dirty.
But I will send you.
Step1. I create A class ClsLogin in a file : "lsLogin.cs"
<br />
public class ClsLogin<br />
{<br />
public string userName;<br />
public string passWord;<br />
public static SqlDataAdapter SQLDataAdapter;<br />
public static DataSet ODataSet;<br />
public SqlCommand sqlcom;<br />
public SqlCommandBuilder sqlBuilder;<br />
}<br />
Step 2.I Create a Class User in a file: "ClsUser.cs"
<br />
public class ClsUser<br />
{<br />
public ClsUser()<br />
{}<br />
public DataSet FillUser()<br />
{<br />
ClsLogin oClogin = new ClsLogin();<br />
ClsLogin.SQLDataAdapter = new SqlDataAdapter("SELECT * FROM tbl_Employee",ClsConnection.SQLConnection);<br />
ClsLogin.ODataSet = new DataSet();<br />
try<br />
{<br />
ClsLogin.SQLDataAdapter.Fill(ClsLogin.ODataSet,"User");<br />
<br />
oClogin.SQLCOMBUILDER =new SqlCommandBuilder(ClsLogin.SQLDataAdapter);<br />
ClsLogin.SQLDataAdapter.Update(ClsLogin.ODataSet.Tables[0]);<br />
return ClsLogin.ODataSet ;<br />
<br />
}<br />
catch(Exception ex)<br />
{<br />
throw ex;<br />
return ClsLogin.ODataSet;<br />
}<br />
}<br />
}<br />
Step3. i binding data to Datagrid in my form in file: "MyWindfor.cs"
<br />
private void btnLoad_Click(object sender, System.EventArgs e)<br />
{<br />
this.CheckLoad();<br />
}<br />
private CurrencyManager oCm;<br />
private DataSet oDs;<br />
private void CheckLoad()<br />
{<br />
<br />
ClsUser oUser =new ClsUser();<br />
try<br />
{<br />
oDs = oUser.FillUser();<br />
this.dataGrid1.DataSource = oDs.Tables["User"];<br />
this.oCm = (CurrencyManager)BindingContext[oDs.Tables[0]];<br />
}<br />
catch(Exception ex)<br />
{<br />
MessageBox.Show("Lỗi sảy ra: " +ex.Message +":"+ex.Source);<br />
}<br />
}<br />
. Finish to Here is Success. Data in DataBase displayed in Datagrid if click btnLoad.
***** But my Problem is:*****
I have a button : name = btnDelete in file "MyWindform.cs". And I writed code to delete a row in dataset, after I want update dataset to "Database" As.
<br />
private void btnDelete_Click(object sender, System.EventArgs e)<br />
{<br />
ClsLogin.ODataSet.Tables[0].Rows.RemoveAt(this.oCm.Position);<br />
ClsLogin oLogin =new ClsLogin();<br />
<br />
oLogin.sqlBuilder= new SqlCommandBuilder(ClsLogin.SQLDataAdapter);<br />
ClsLogin.SQLDataAdapter.Update(ClsLogin.ODataSet.Tables[0]);<br />
<br />
}<br />
Then you Click btnDelete: a Row in table of Dataset deleted. But Data Datasource don't Update. Didn't change.
Help Me. 
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is your dataset typed dataset ??
Tamimi - Code
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What do typed DataSet effect in my Code?.
I don't know about type DataSet.
I am honest thank your help.
Thank to your care.
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Hi,
I'm displaying a jpg file in a Panel control with a "stretch to fit" option. When I start resizing the form that owns the panel the image resizes with it, but it flickers and it's really annoying. Is there a way to eliminate this?
thanx
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Use the SetStyle method to turn on double buffering.
Christian Graus - Microsoft MVP - C++
Metal Musings - Rex and my new metal blog
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Hi,
I've already tried this, but I can only call SetStyle on the form containing the panel. The flicker is still there, though.
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The Panel needs to be double buffered. If you can't call SetStyle externally, derive a class from Panel and try that
Christian Graus - Microsoft MVP - C++
Metal Musings - Rex and my new metal blog
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Just tried it.. same thing.
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Found the problem: I need to set AllPaintingInWmPaint as well. So it's like this:
SetStyle(ControlStyles.UserPaint,true);
SetStyle(ControlStyles.AllPaintingInWmPaint, true);
SetStyle(ControlStyles.DoubleBuffer,true);
thanx
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