EDITITEMTEMPLATE FINDCONTROL PROBLEM

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  • Savas Ates
    #1

    EDITITEMTEMPLATE FINDCONTROL PROBLEM

    My aim is showing product availability in a dropdown by checking the
    database issues and let user to change its value...

    The Error :
    ideefixesatisc. DataTextField = "Stokta Yok"
    Object reference not set to an instance of an object.


    In my edit item template i have a dropdown like that

    //////////////////////////////

    My function

    Public Function SelectMyIndex(B yVal indexno As Boolean)

    Dim ideefixesatisc As New DropDownList

    If indexno = True Then

    ideefixesatisc = CType(Page.Find Control("CIdeef ixesatis"), DropDownList)

    ideefixesatisc. DataTextField = "Stokta Var"

    ideefixesatisc. SelectedIndex =
    ideefixesatisc. Items.IndexOf(i deefixesatisc.I tems.FindByValu e(True))

    End If

    If indexno = False Then



    ideefixesatisc = CType(Page.Find Control("CIdeef ixesatis"), DropDownList)

    ideefixesatisc. DataTextField = "Stokta Yok"

    ideefixesatisc. SelectedIndex =
    ideefixesatisc. Items.IndexOf(i deefixesatisc.I tems.FindByValu e(False))



    End If

    End Function



    <asp:DropDownLi st Runat =server ID="CIdeefixeSa tis" SelectedIndex=' <%#
    SelectMyIndex(D ataBinder.Eval( Container, "DataItem.ideef ixesatis")) %>' >

    <asp:ListItem Value ="True" >Stokta Var</asp:ListItem>
    <asp:ListItem Value ="False" >Stokta Yok</asp:ListItem>
    </asp:DropDownLis t>


    ///////////////


    Tags: None
    • Cor Ligthert [MVP]
      #2
      Re: EDITITEMTEMPLAT E FINDCONTROL PROBLEM

      Savas,

      Did you try it with the same cases for "CIdeefixeSatis ". Identifiers as
      strings are not a real part of the VBNet code and therefore (mostly) case
      sensetive,

      By the way, why did you sent this message to the newsgroup languages.cshar p,
      I don't see any C# code.

      Cor

      "Savas Ates" <in da clubschreef in bericht
      news:erleHo9qGH A.1552@TK2MSFTN GP02.phx.gbl...
      My aim is showing product availability in a dropdown by checking the
      database issues and let user to change its value...
      >
      The Error :
      ideefixesatisc. DataTextField = "Stokta Yok"
      Object reference not set to an instance of an object.
      >
      >
      In my edit item template i have a dropdown like that
      >
      //////////////////////////////
      >
      My function
      >
      Public Function SelectMyIndex(B yVal indexno As Boolean)
      >
      Dim ideefixesatisc As New DropDownList
      >
      If indexno = True Then
      >
      ideefixesatisc = CType(Page.Find Control("CIdeef ixesatis"), DropDownList)
      >
      ideefixesatisc. DataTextField = "Stokta Var"
      >
      ideefixesatisc. SelectedIndex =
      ideefixesatisc. Items.IndexOf(i deefixesatisc.I tems.FindByValu e(True))
      >
      End If
      >
      If indexno = False Then
      >
      >
      >
      ideefixesatisc = CType(Page.Find Control("CIdeef ixesatis"), DropDownList)
      >
      ideefixesatisc. DataTextField = "Stokta Yok"
      >
      ideefixesatisc. SelectedIndex =
      ideefixesatisc. Items.IndexOf(i deefixesatisc.I tems.FindByValu e(False))
      >
      >
      >
      End If
      >
      End Function
      >
      >
      >
      <asp:DropDownLi st Runat =server ID="CIdeefixeSa tis" SelectedIndex=' <%#
      SelectMyIndex(D ataBinder.Eval( Container, "DataItem.ideef ixesatis")) %>' >
      >
      <asp:ListItem Value ="True" >Stokta Var</asp:ListItem>
      <asp:ListItem Value ="False" >Stokta Yok</asp:ListItem>
      </asp:DropDownLis t>
      >
      >
      ///////////////
      >

        Comment

        • Cor Ligthert [MVP]
          #3
          Re: EDITITEMTEMPLAT E FINDCONTROL PROBLEM

          Savas,

          You use Uper and Lower cases in that identifier mixed up.

          Cor

          "Savas Ates" <in da clubschreef in bericht
          news:uy8pq49qGH A.4336@TK2MSFTN GP02.phx.gbl...
          >I didnt understand what you meant ? What you meant by saying
          >"CIdeefixeSati s" case ? How can i solve that problem ?
          >
          >
          "Cor Ligthert [MVP]" <notmyfirstname @planet.nl>, haber iletisinde þunlarý
          yazdý:u2HCxt9qG HA.4424@TK2MSFT NGP05.phx.gbl.. .
          >Savas,
          >>
          >Did you try it with the same cases for "CIdeefixeSatis ". Identifiers as
          >strings are not a real part of the VBNet code and therefore (mostly) case
          >sensetive,
          >>
          >By the way, why did you sent this message to the newsgroup
          >languages.csha rp, I don't see any C# code.
          >>
          >Cor
          >>
          >"Savas Ates" <in da clubschreef in bericht
          >news:erleHo9qG HA.1552@TK2MSFT NGP02.phx.gbl.. .
          >>My aim is showing product availability in a dropdown by checking the
          >>database issues and let user to change its value...
          >>>
          >>The Error :
          >>ideefixesatis c.DataTextField = "Stokta Yok"
          >>Object reference not set to an instance of an object.
          >>>
          >>>
          >>In my edit item template i have a dropdown like that
          >>>
          >>//////////////////////////////
          >>>
          >>My function
          >>>
          >>Public Function SelectMyIndex(B yVal indexno As Boolean)
          >>>
          >>Dim ideefixesatisc As New DropDownList
          >>>
          >>If indexno = True Then
          >>>
          >>ideefixesatis c = CType(Page.Find Control("CIdeef ixesatis"), DropDownList)
          >>>
          >>ideefixesatis c.DataTextField = "Stokta Var"
          >>>
          >>ideefixesatis c.SelectedIndex =
          >>ideefixesatis c.Items.IndexOf (ideefixesatisc .Items.FindByVa lue(True))
          >>>
          >>End If
          >>>
          >>If indexno = False Then
          >>>
          >>>
          >>>
          >>ideefixesatis c = CType(Page.Find Control("CIdeef ixesatis"), DropDownList)
          >>>
          >>ideefixesatis c.DataTextField = "Stokta Yok"
          >>>
          >>ideefixesatis c.SelectedIndex =
          >>ideefixesatis c.Items.IndexOf (ideefixesatisc .Items.FindByVa lue(False))
          >>>
          >>>
          >>>
          >>End If
          >>>
          >>End Function
          >>>
          >>>
          >>>
          >><asp:DropDown List Runat =server ID="CIdeefixeSa tis" SelectedIndex=' <%#
          >>SelectMyIndex (DataBinder.Eva l(Container, "DataItem.ideef ixesatis")) %>'
          >> >
          >>>
          >> <asp:ListItem Value ="True" >Stokta Var</asp:ListItem>
          >> <asp:ListItem Value ="False" >Stokta Yok</asp:ListItem>
          >></asp:DropDownLis t>
          >>>
          >>>
          >>///////////////
          >>>
          >>
          >>
          >
          >

            Comment

            • Savas Ates
              #4
              Re: EDITITEMTEMPLAT E FINDCONTROL PROBLEM

              I didnt understand what you meant ? What you meant by saying
              "CIdeefixeSatis " case ? How can i solve that problem ?


              "Cor Ligthert [MVP]" <notmyfirstname @planet.nl>, haber iletisinde þunlarý
              yazdý:u2HCxt9qG HA.4424@TK2MSFT NGP05.phx.gbl.. .
              Savas,
              >
              Did you try it with the same cases for "CIdeefixeSatis ". Identifiers as
              strings are not a real part of the VBNet code and therefore (mostly) case
              sensetive,
              >
              By the way, why did you sent this message to the newsgroup
              languages.cshar p, I don't see any C# code.
              >
              Cor
              >
              "Savas Ates" <in da clubschreef in bericht
              news:erleHo9qGH A.1552@TK2MSFTN GP02.phx.gbl...
              >My aim is showing product availability in a dropdown by checking the
              >database issues and let user to change its value...
              >>
              >The Error :
              >ideefixesatisc .DataTextField = "Stokta Yok"
              >Object reference not set to an instance of an object.
              >>
              >>
              >In my edit item template i have a dropdown like that
              >>
              >//////////////////////////////
              >>
              >My function
              >>
              >Public Function SelectMyIndex(B yVal indexno As Boolean)
              >>
              >Dim ideefixesatisc As New DropDownList
              >>
              >If indexno = True Then
              >>
              >ideefixesati sc = CType(Page.Find Control("CIdeef ixesatis"), DropDownList)
              >>
              >ideefixesatisc .DataTextField = "Stokta Var"
              >>
              >ideefixesatisc .SelectedIndex =
              >ideefixesatisc .Items.IndexOf( ideefixesatisc. Items.FindByVal ue(True))
              >>
              >End If
              >>
              >If indexno = False Then
              >>
              >>
              >>
              >ideefixesati sc = CType(Page.Find Control("CIdeef ixesatis"), DropDownList)
              >>
              >ideefixesatisc .DataTextField = "Stokta Yok"
              >>
              >ideefixesatisc .SelectedIndex =
              >ideefixesatisc .Items.IndexOf( ideefixesatisc. Items.FindByVal ue(False))
              >>
              >>
              >>
              >End If
              >>
              >End Function
              >>
              >>
              >>
              ><asp:DropDownL ist Runat =server ID="CIdeefixeSa tis" SelectedIndex=' <%#
              >SelectMyIndex( DataBinder.Eval (Container, "DataItem.ideef ixesatis")) %>' >
              >>
              > <asp:ListItem Value ="True" >Stokta Var</asp:ListItem>
              > <asp:ListItem Value ="False" >Stokta Yok</asp:ListItem>
              ></asp:DropDownLis t>
              >>
              >>
              >///////////////
              >>
              >
              >

                Comment

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