how to change Textbox text when the dropdownlist changing

[maxiachun]

i want to implement an ASP.net web apllication, when i change the dropdown list i want to textbox text change by itsself i have a event on the dropdown box which is selectedindexchanged code is Select Case Me.DropDownList1.SelectedItem.Text.ToUpper Case "TODAY" Me.TextBox1.Text = Now.Date & " 06:00:00 AM" Me.TextBox2.Text = Now.Date.AddDays(1) & " 05:59:59 AM" Case "YESTERDAY" Me.TextBox1.Text = Now.Date.AddDays(2) & " 05:59:59 AM" Me.TextBox2.Text = Now.Date & " 06:00:00 AM" End Select but it is not working even this event is not fired I am Entry level person

[Christian Graus]

Your TextBox text MUST be changing, it must be getting set again somewhere. Given that the prerender is the only event that fires after this, is there any code in there to set the text ? That's assuming that you've stepped through and these case statements are working ( i.e. one is being caught every time ). Christian Graus - Microsoft MVP - C++

[jcrussell]

make sure that the dropdown box has the AutoPostback Property set to true /jason -- modified at 1:33 Wednesday 23rd November, 2005 [edit] do this by going to the design view of the Form, viewing the properties of the selected the DropDown box and setting the property there [/edit]