Requesting value of textbox control from datalist.

Question

Dear Friends! I have a following problem. I am using a datalist inwhich I have two text box controls()ok. Now when a page loads i am binding some data to these controls.Ok. User can edit these values. I have used RepeatColumns property of the datalist. following is my code: now i need to request all these edited values from these text boxes. onclick of a button. I have tried it with Request.form("TexttboxId") but it doesn't work. Please help. kash