how to retain multiple values of dynamically created textboxes using viewsate in asp.net?

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ASP.NET

Visual-Studio

ViewState

The following is my code to generate multiple textboxes and drop down lists based on the value of the variable nov(also entered by user in a textbox).i want to add the values of the texbox to a string (convert the values to string and generate a sql create table query).on the button click i am losing all the values of the textboxes due to postback and i want to use an instance of viewstate to retain all the values entered by the user.





Public Sub display_table(ByVal nov As Int16)
For i As Integer = 1 To nov

Dim tb As New TextBox()
Dim tb2 As New DropDownList
Dim tb3 As New TextBox()

Dim tr As New TableRow()
Dim tc As New TableCell()
Dim tc2 As New TableCell()
Dim tc3 As New TableCell()
tb.ID = "txtName" + i.ToString()
tb.Width = 100
tb.Text = "Field Name" + i.ToString()
tb3.ID = "vv" + i.ToString()
tb3.Width = 100
tb3.Text = ""
tb2.ID = "dd" + i.ToString()
tb2.Width = 100
tb2.Text = "Datatype"
tb2.Items.Add("Int")
tb2.Items.Add("Varchar(20)")
tb2.Items.Add("Char(20)")
tblMain.Rows.Add(tr)
tr.Cells.Add(tc)
tc.Controls.Add(tb)


tc2.Controls.Add(tb2)

tr.Cells.Add(tc2)
tc3.Controls.Add(tb3)
tr.Cells.Add(tc3)

Next

End Sub