Create Treeview Control at run time using ASP.NET1.1 and Sql Server 2000

• Download Treeview - 19.42 KB

Introduction

We can easy to create tree view at run time using asp.net1.1 and sql server2000

Using the code

            
//------- Load Dataset To DataView------

DataView dv = ds.Tables[0].DefaultView;

//--------------------------------------



<pre>        

//----- Assagin StringBuilder------------

StringBuilder s = new StringBuilder();

//---------------------------------------

//------- Create Parent Node at Run Time-----------

s.Append("<div> <TABLE><TR><TD vAlign=\"middle\" width=\"18\">");

s.Append("<a id=\"treeMain\" href=\"javascript:Toggle('treeMain')\">");

s.Append("<img src='minus.gif' width='16' height='16' hspace='0' vspace='0' border='0'></a>\r");

s.Append("</TD><TD><P>Employees</P></TD></TR>\r");

s.Append("<TR id=\"xtreeMain\"><TD vAlign='top' width='18'></TD><TD vAlign='middle'>\r");



//--------- Create Child node from DataView at Run Time--------------

foreach (DataRowView dataRow in dv)

{

s.Append("<TABLE><TR><TD vAlign='middle' width='18'>");

s.Append("<IMG src='im_next_level.gif'></TD><TD>\r");

string tdName = dataRow.Row.ItemArray[2].ToString();

s.Append(tdName);

s.Append("</TD></TR></TABLE>\r");

} 



s.Append("</TD></TR></TABLE></div>\r");

//------------------ Add StringBuilder To Main Table

TableRow tRow = new TableRow();

TableCell tCell = new TableCell();

tCell.Text = s.ToString();

tRow.Cells.Add(tCell); 

Table1.Rows.Add(tRow);