How to add nested div using c#?

Question

good morning frndz....

I m trying to create div within div using c# code, but when i m trying to insert parent div, its properly created but when i m going to insert its child div its not created.

For e.g my code as below:

Div related css properties is coming from database:

My Code as below:

HtmlGenericControl dynDiv = new HtmlGenericControl("DIV");

                dynDiv.ID = (string)reader1["div_id"];

                dynDiv.Style.Add("width", (string)reader1["width"]);

                dynDiv.Style.Add("height", (string)reader1["height"]);

                dynDiv.Style.Add("background-color", (string)reader1["background_color"]);

                dynDiv.Style.Add("top", (string)reader1["div_top"]);

                dynDiv.Style.Add("left", (string)reader1["div_left"]);

                dynDiv.Style.Add("margin-left", (string)reader1["margin_left"]);

                dynDiv.Style.Add("margin-top", (string)reader1["margin_top"]);

                dynDiv.Style.Add("float", (string)reader1["div_float"]);

                dynDiv.InnerHtml = (string)reader1["innerhtml"];

                dynDiv.Visible = true;

                this.Controls.Add(dynDiv);

as per the above code my parent div created in page body.

But now i want to add one more div into this recently created div......

I want to create my all div in runtime. I dont want to add any single div in design time.

For e.g

<div id="super">

<div id="left"></div>

<div id="right"></div>

</div>

this structure i want to create in runtime..

how can i do it...

Plz help me .....................