How Can i Add Child Node Under Existing Node Using DataSet in windows programing

Posted by Shijohnjoseph under C# on 1/21/2011 | Points: 10 | Views : 3896 | Status : [Member] | Replies : 2

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Hi Every Body ,

I am a beginner in windows programing , actually i have a database with student details having a column with different department names like mechanical electrical ,computer,civil like that , and i have a tree view with nodes named department name ,
on tree view node click i have to list down the student name as child node under the node filter with department ..
this is my task ..........please help me .....

am awaiting for a reply

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Posted by: T.saravanan on: 1/21/2011 [Member] [MVP] Silver | Points: 25

0	Hi, Refer the following Code..... Here trMainTree --> Your TreeView Control Name dtDept --> Your Distinct Department details dtName --> Based on Dept Students Name private void AddDeptDetails() { for(int x=0; x < dtDept.Rows.Count; x++) { TreeNode trDept = new TreeNode(); trDept.Name = dtDept.Rows[x]["Name"].Tostring(); trDept.Text = dtDept.Rows[x]["Name"].Tostring(); //Pass the Department Name and get Student Name based on the dept in DataTable(dtName) AddNameDetails(dtName, trDept); trMainTree.Nodes.Add(trDept); } } Private void AddNameDetails(DataTable dtName, TreeNode trDept) { for(int y=0; y < dtName.Rows.Count; y++) { TreeNode trName = new TreeNode(); trName.Name = dtName.Rows[y]["Name"].Tostring(); trName.Text = dtName.Rows[y]["Name"].Tostring(); trDept.Nodes.Add(trName); } } Try this code..I think its useful to you... Cheers :) Thanks, T.Saravanan Shijohnjoseph, if this helps please login to Mark As Answer. \| Alert Moderator

Hi,

Refer the following Code.....

Here

trMainTree --> Your TreeView Control Name

dtDept --> Your Distinct Department details

dtName --> Based on Dept Students Name



private void AddDeptDetails()

{

   for(int x=0; x < dtDept.Rows.Count; x++)

   {

        TreeNode trDept = new TreeNode();

 	trDept.Name = dtDept.Rows[x]["Name"].Tostring();

  	trDept.Text = dtDept.Rows[x]["Name"].Tostring();         

        //Pass the Department Name and get Student Name based on the dept in DataTable(dtName)

        AddNameDetails(dtName, trDept);

	trMainTree.Nodes.Add(trDept);

   } 

}



Private void AddNameDetails(DataTable dtName, TreeNode trDept)

{

   for(int y=0; y < dtName.Rows.Count; y++)

   {

        TreeNode trName = new TreeNode();

 	trName.Name = dtName.Rows[y]["Name"].Tostring();

  	trName.Text = dtName.Rows[y]["Name"].Tostring();         

	trDept.Nodes.Add(trName);

   } 

}

Try this code..I think its useful to you...

Cheers :)

Thanks,
T.Saravanan

Shijohnjoseph, if this helps please login to Mark As Answer. | Alert Moderator

Posted by: Karthikanbarasan on: 1/22/2011 [Member] [Moderator] [Microsoft_MVP] [MVP] Silver | Points: 25

0	hi, Check this link... It explains how to use the tree view control in win app http://www.c-sharpcorner.com/UploadFile/prasadh/TreeViewControlInWinFormsPSD11182005235448PM/TreeViewControlInWinFormsPSD.aspx Thanks Karthik www.f5Debug.net Shijohnjoseph, if this helps please login to Mark As Answer. \| Alert Moderator

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