Thanks for the reply.

Yes it is a button click event that triggers the code.  When I do check even the GridView columns count it is 0 so I'm losing the data.  The confusing part though is that this code worked in asp.net 1.1.  The only difference is that I'm using AJAX (http://ajax.asp.net/).

I can't call DataBind() because I have text boxes that are edited and I want to check the user's input first (ensure only numbers entered) and then save the items to a DataTable as shown below:
 

public DataTable getUpdatedDatagrid(GridView grid,DataTable dt1,int userId)
{
	try
	{
        	//Loop through GridView Items
                foreach (GridViewRow grdRow in grid.Rows)
                {
                    TextBox txt_Day = (TextBox)(grdRow.FindControl("txtDay"));
                    TextBox txt_PremiseID = (TextBox)(grdRow.FindControl("txtPremiseID"));
                    TextBox txt_M1 = (TextBox)(grdRow.FindControl("txtM1"));

                    DataRow dr = dt1.NewRow();
                    dr[0] = userId;
                    dr[1] = Convert.ToInt32(txt_Day.Text.Trim());
                    dr[2] = Convert.ToDecimal(txt_PremiseID.Text.Trim());
                    dr[3] = Convert.ToDecimal(txt_M1.Text.Trim());
                   

                    dt1.Rows.Add(dr);
                }
	}
       catch (Exception ex)
	{
	        Session["CurrentError"] = ex.Message;
		Server.Transfer("Errorpage.aspx");
	}
	return dt1;

}

I'm not using the ObjectDataSource or SQLDataSource because I'm inheriting this project and I'm thinking it would be a bigger project to change the code rather than just modifying the existing code.

Any help would be greatly appreciated.

 Thanks, Bill N