asp.net - Avoid duplicate data when using asp:control to insert -


i have asp.net code, use insert , view data *.mdb file.
when reload browser reload, insert same old data. 

    <asp:detailsview id="detailsview1" runat="server" autogeneraterows="false"          datakeynames="user_id" datasourceid="accessdatasource1" height="50px"          width="125px" defaultmode="insert">         <fields>             <asp:boundfield datafield="user_id" headertext="user_id" insertvisible="false"                  readonly="true" sortexpression="user_id" />             <asp:boundfield datafield="user_name" headertext="user_name"                  sortexpression="user_name" />             <asp:boundfield datafield="user_pass" headertext="user_pass"                  sortexpression="user_pass" />             <asp:boundfield datafield="user_email" headertext="user_email"                  sortexpression="user_email" />             <asp:commandfield buttontype="button" showinsertbutton="true" />         </fields>     </asp:detailsview>      <div id="div1" runat="server"></div>       <asp:accessdatasource id="accessdatasource1" runat="server"          datafile="~/app_data/esn.mdb"          selectcommand="select * [user]"         insertcommand="insert [user] ([user_name], [user_pass], [user_email]) values (@user_name, @user_pass, @user_email)">         <insertparameters>             <asp:parameter name="user_name" type="string" />             <asp:parameter name="user_pass" type="string" />             <asp:parameter name="user_email" type="string" />         </insertparameters>     </asp:accessdatasource>          <asp:gridview id="gridview1" runat="server"          autogeneratecolumns="false" datakeynames="user_id"          datasourceid="accessdatasource1">         <columns>             <asp:boundfield datafield="user_id" headertext="user_id" insertvisible="false"                  readonly="true" sortexpression="user_id" />             <asp:boundfield datafield="user_name" headertext="user_name"                  sortexpression="user_name" />             <asp:boundfield datafield="user_pass" headertext="user_pass"                  sortexpression="user_pass" />             <asp:boundfield datafield="user_email" headertext="user_email"                  sortexpression="user_email" />         </columns>     </asp:gridview>  </form>

i think sendig user success insert page option!

try here:

detect duplicate insert

or here:

asp.net - prevent duplicate(double) inserts when page refreshed

how prevent duplicate record insertion on refresh click in browser in asp.net ?

here microsoft article:

trap browser refresh


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