sql server - How to delete selected SQL Entries with a VBA Checkbox -


i'm working on web tool , enters dates sql table. works needs improvent , dont use vb often. [![enter image description here][1]][1]

what want tool deletes ,with click-button" every sql entry (gridview) table , put check on checkbox

how code in vb.net?

edit : im using microsoft visual studio asp/vb.net

edit: design code

<div class="style1">    &nbsp;      <b> datum:&nbsp;&nbsp;&nbsp;&nbsp;     <bdp:basicdatepicker id="datum" runat="server" dateformat="d" />     </b>&nbsp;&nbsp;      <b>bezeichnung:     <asp:textbox id="txtbezeich" runat="server" height="18px" width="180px"></asp:textbox>     </b>&nbsp;&nbsp;      <b>faktor :     <asp:textbox id="txtfaktor" runat="server" height="18px" width="180px"></asp:textbox>     </b>&nbsp;&nbsp;     <br />     <b>     <asp:button id="cmdadd" runat="server" height="22px"          style="color: #ffffff; font-weight: 700; background-color: #006666" text="add"          width="62px" />     &nbsp;&nbsp;<asp:button id="cmddelete" runat="server" height="22px"          style="color: #ffffff; font-weight: 700; background-color: #006666"          text="delete" width="62px" />      &nbsp;&nbsp;<asp:button id="cmdupdate" runat="server" height="22px"          style="color: #ffffff; font-weight: 700; background-color: #006666"          text="update" width="62px" />     &nbsp;     </b>     <b><br /> definitionen für faktor:   <br />  0: ganzer feiertag   <br /> 0,5 : halber feiertag   <br /> 0,33 : ein-drittel feiertag   <br /> usw.     <br /></b>  </div> <asp:gridview id="gridview1" runat="server" allowpaging="false"      allowsorting="true" autogeneratecolumns="false" backcolor="#f3f3f3"      captionalign="right" datasourceid="dsfeiertag" height="133px" pagesize="25"      style="text-align: left; font-family: calibri; font-size: small; margin-bottom: 0px;"      width="477px" >     <columns>      <asp:templatefield>             <itemtemplate>                 <asp:checkbox id="chk_hid1" runat="server" />             </itemtemplate>         </asp:templatefield>          <asp:boundfield datafield="datum" headertext="datum" sortexpression="datum" />         <asp:boundfield datafield="bezeichnung" headertext="bezeichnung" sortexpression="bezeichnung" />         <asp:boundfield datafield="faktor" headertext="faktor" sortexpression="faktor" />      </columns>     <headerstyle backcolor="#2e0a31" font-underline="false" forecolor="white" /> </asp:gridview>

edit: functions code

partial public class feiertagstool  inherits system.web.ui.page  dim adobiweb_biuserlogin new adodb.recordset dim adodwh new adodb.connection  dim cred reportservercredentials dim dstr string  protected sub page_load(byval sender object, byval e system.eventargs) handles me.load     'if username = "" or pwd = ""     '    server.transfer("~/mainpage.aspx", true)     '    exit sub     'end if     gethit(system.web.httpcontext.current.request.url.absolutepath, request.userhostaddress)     adodwh.connectionstring = "dsn=report_dwh_stage;user id=bi_web_user;password=xs4dwh;"     adodwh.cursorlocation = adodb.cursorlocationenum.aduseserver  end sub  protected sub cmdupdate_click(byval sender object, byval e eventargs) handles cmdupdate.click     adodwh.open()      if txtfaktor.text <> ""          adodwh.execute("update external_inputs.voxpark.feiertag set faktor = " & replace(txtfaktor.text, ",", ".") & " datum =  convert(date,'" & datum.text & "',104)")     end if     if txtbezeich.text <> ""         adodwh.execute("update external_inputs.voxpark.feiertag set bezeichnung = '" & txtbezeich.text & "' datum =  convert(date,'" & datum.text & "',104)")     end if     gridview1.databind()     adodwh.close() end sub  protected sub cmddelete_click(byval sender object, byval e eventargs) handles cmddelete.click     adodwh.open()     adodwh.execute("delete external_inputs.voxpark.feiertag datum =  convert(date,'" & datum.text & "',104)")     gridview1.databind()     adodwh.close() end sub   protected sub cmdadd_click(byval sender object, byval e eventargs) handles cmdadd.click     adodwh.open()     adodwh.execute("insert  external_inputs.voxpark.feiertag ([datum],[bezeichnung],[faktor]) values( convert(date,'" & datum.text & "',104) , '" & txtbezeich.text & "' ," & replace(txtfaktor.text, ",", ".") & ")")     gridview1.databind()     adodwh.close() end sub  end class

[1]: https://i.stack.imgur.com/lnnfg.pngenter code here

sorry delay in getting this. hot yesterday, headed pool.

in delete command need loop through contents of gridview find rows checked. once have row can text of holiday needs deleting. need loop through gridview (rather underlying data, more common), because checkbox unbound.

to loop through gridview, use this:

protected sub cmddelete_click(sender object, e eventargs)     each row gridviewrow in gridview1.rows         dim test checkbox         test = ctype(row.cells(0).controls(1), checkbox)         if test.checked = true             msgbox(row.cells(1).text + " must deleted")         end if     next end sub

obviously have message box, need build instead sql command string delete date matching row.cells(1).text. should have enough fix rest yourself. please feel free me, if need further help.


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