Cross-Tab Reports : Dynamically add columns to grid

main
{

	//Assign the datasource to the business object for report 1 implementation
	oGridView1.DataSource = oBusinessObject1;


	// Make the object of report1
	oBaseReport = new oRpt1; 


	// Make the object of cross star 
	// and pass report1 object and grid object 
	// to the construnction function
	oCrossStar = new CrossStar();
	crosStar.Construct(oBaseReport, oGridView1)

	//Bind the grid
	oGridView1.DataBind();

	//Assign the datasource to the business object for report 2 implementation
	oGridView2.DataSource = oBusinessObject2;

	// Make the object of report2
	oBaseReport = new oRpt2; 

	crosStar.Construct(oBaseReport, oGridView2)

	//Bind the grid
	oGridView2.DataBind();
}

class CrossStar
{
	Construct(oBaseReport, oGridView1)
	{
		oBaseReport.buildBindFields(oGridView1);
		oBaseReport.buildTemplateFields(oGridView1);
	}
}

abstract class BaseReport
{
	//Functions to add bind and template fields
	buildBindFields(oGridView1)
	buildTemplateFields(oGridView1)
}

class Rpt1: BaseReport
{
	//Implementation of functions to add bind and template fields
	//Implimentation based on report 1 structure
	buildBindFields(oGridView1)
	buildTemplateFields(oGridView1)
}

class Rpt2: BaseReport
{
	//Implementation of functions to add bind and template fields
	//Implimentation based on report 2 structure
	buildBindFields(oGridView1)
	buildTemplateFields(oGridView1)
}