visible or not visible

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  • bindurajeesh
    #1

    visible or not visible

    I am using the following code to make a textbox visible if a certain item is
    selected from the dropdownlist box. On debug it appears to not even fire the
    selected index change module. What is wrong

    Private Sub ddlMedicalNeces sity_SelectedIn dexChanged(ByVa l sender As
    System.Object, ByVal e As System.EventArg s) Handles
    ddlMedicalNeces sity.SelectedIn dexChanged
    If ddlMedicalNeces sity.SelectedVa lue = "Other (please specify):" Then
    txtSpecify.Visi ble = True
    Else
    txtSpecify.Visi ble = False
    End If
    End Sub

    I want the textbox to appear only if other (please specify): is selected. I
    have tried taking the value of ddlmedicalneces sity.selectedva lue and put in a
    variable and then put the variable in if phrase but that does not work
    either. Thank you.
    Tags: None
    • UsualDosage
      #2
      RE: visible or not visible

      Chances are the event is not configured in the HTML. There are two ways to
      possibly fix this:

      1) Ensure the "AutoPostBa ck" property is set to TRUE. If it is, and still
      doesn't work, see #2.

      2) Change the access for the method from Private to Publc. Click on the HTML
      tab, and find where the dropdownlist is declared. It should look like:
      <asp:DropDownLi st id="DropDownLis t1" runat="server"> </asp:DropDownLis t>. You
      will need to add the "OnSelectIndexC hanged" event handler. Make it look like:
      <asp:DropDownLi st id="DropDownLis t1"
      OnSelectIndexCh anged="ddlMedic alNecessity_Sel ectedIndexChang ed"
      runat="server"> </asp:DropDownLis t>

      Recompile and run, and it should work for you.
      --
      "Quae narravi, nullo modo negabo."


      "bindurajee sh" wrote:
      I am using the following code to make a textbox visible if a certain item is
      selected from the dropdownlist box. On debug it appears to not even fire the
      selected index change module. What is wrong
      >
      Private Sub ddlMedicalNeces sity_SelectedIn dexChanged(ByVa l sender As
      System.Object, ByVal e As System.EventArg s) Handles
      ddlMedicalNeces sity.SelectedIn dexChanged
      If ddlMedicalNeces sity.SelectedVa lue = "Other (please specify):" Then
      txtSpecify.Visi ble = True
      Else
      txtSpecify.Visi ble = False
      End If
      End Sub
      >
      I want the textbox to appear only if other (please specify): is selected. I
      have tried taking the value of ddlmedicalneces sity.selectedva lue and put in a
      variable and then put the variable in if phrase but that does not work
      either. Thank you.

        Comment

        • lmnorms1@yahoo.com
          #3
          Re: visible or not visible

          Shouldn't txSpecify.Refre sh be done after changing the value.


          UsualDosage wrote:
          Chances are the event is not configured in the HTML. There are two ways to
          possibly fix this:
          >
          1) Ensure the "AutoPostBa ck" property is set to TRUE. If it is, and still
          doesn't work, see #2.
          >
          2) Change the access for the method from Private to Publc. Click on the HTML
          tab, and find where the dropdownlist is declared. It should look like:
          <asp:DropDownLi st id="DropDownLis t1" runat="server"> </asp:DropDownLis t>. You
          will need to add the "OnSelectIndexC hanged" event handler. Make it look like:
          <asp:DropDownLi st id="DropDownLis t1"
          OnSelectIndexCh anged="ddlMedic alNecessity_Sel ectedIndexChang ed"
          runat="server"> </asp:DropDownLis t>
          >
          Recompile and run, and it should work for you.
          --
          "Quae narravi, nullo modo negabo."
          >
          >
          "bindurajee sh" wrote:
          >
          I am using the following code to make a textbox visible if a certain item is
          selected from the dropdownlist box. On debug it appears to not even fire the
          selected index change module. What is wrong

          Private Sub ddlMedicalNeces sity_SelectedIn dexChanged(ByVa l sender As
          System.Object, ByVal e As System.EventArg s) Handles
          ddlMedicalNeces sity.SelectedIn dexChanged
          If ddlMedicalNeces sity.SelectedVa lue = "Other (please specify):" Then
          txtSpecify.Visi ble = True
          Else
          txtSpecify.Visi ble = False
          End If
          End Sub

          I want the textbox to appear only if other (please specify): is selected. I
          have tried taking the value of ddlmedicalneces sity.selectedva lue and put in a
          variable and then put the variable in if phrase but that does not work
          either. Thank you.

            Comment

            • bindurajeesh
              #4
              RE: visible or not visible

              #1 did the trick thank you

              "UsualDosag e" wrote:
              Chances are the event is not configured in the HTML. There are two ways to
              possibly fix this:
              >
              1) Ensure the "AutoPostBa ck" property is set to TRUE. If it is, and still
              doesn't work, see #2.
              >
              2) Change the access for the method from Private to Publc. Click on the HTML
              tab, and find where the dropdownlist is declared. It should look like:
              <asp:DropDownLi st id="DropDownLis t1" runat="server"> </asp:DropDownLis t>. You
              will need to add the "OnSelectIndexC hanged" event handler. Make it look like:
              <asp:DropDownLi st id="DropDownLis t1"
              OnSelectIndexCh anged="ddlMedic alNecessity_Sel ectedIndexChang ed"
              runat="server"> </asp:DropDownLis t>
              >
              Recompile and run, and it should work for you.
              --
              "Quae narravi, nullo modo negabo."
              >
              >
              "bindurajee sh" wrote:
              >
              I am using the following code to make a textbox visible if a certain item is
              selected from the dropdownlist box. On debug it appears to not even fire the
              selected index change module. What is wrong

              Private Sub ddlMedicalNeces sity_SelectedIn dexChanged(ByVa l sender As
              System.Object, ByVal e As System.EventArg s) Handles
              ddlMedicalNeces sity.SelectedIn dexChanged
              If ddlMedicalNeces sity.SelectedVa lue = "Other (please specify):" Then
              txtSpecify.Visi ble = True
              Else
              txtSpecify.Visi ble = False
              End If
              End Sub

              I want the textbox to appear only if other (please specify): is selected. I
              have tried taking the value of ddlmedicalneces sity.selectedva lue and put in a
              variable and then put the variable in if phrase but that does not work
              either. Thank you.

                Comment

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