Question

我真的很难用javascript编程，需要帮助。

我正在尝试禁用网格视图中的6个下拉列表客户端。下面是我当前的javascript，除了我试图禁用其中一个下拉列表的最后一行。我认为问题是因为下拉列表在gridview中，java无法找到它们。我怎么找到它们？

<script>
                        function EnableAndColorButtons() {
                            document.getElementById('<%= Submit.ClientID %>').disabled = false;
                            document.getElementById('<%= Submit.ClientID %>').style.background = "Lime";
                            document.getElementById('<%= Submit.ClientID %>').style.borderColor = "Green";
                            document.getElementById('<%= Cancel.ClientID %>').disabled = false;
                            document.getElementById('<%= Cancel.ClientID %>').style.background = "lightcoral";
                            document.getElementById('<%= Cancel.ClientID %>').style.borderColor = "Red";                                   
                            document.getElementById('<%= InfoLbl.ClientID %>').innerHTML = '(Continue to make changes or click submit if finished)';                                
                            document.getElementById('<%= MakeChangeslbl.ClientID %>').innerHTML = 'You must click "Submit Changes" or "Cancel Changes" above before making Assignment changes below!';
                            //The above is working, but the below is not probaly because the drop down lists are within gridview1
                            document.getElementById('<%= DropDownList1.ClientID %>').disabled = true;
                        }
                    </script>

我的Gridview下拉列表的位置如下所示：

<asp:DropDownList ID="DropDownList1" runat="server" AutoPostBack="True" DataSourceID="SqlDataSource3" DataTextField="FullDetails" DataValueField="FullDetails" Font-Size="Medium" Height="50px" OnDataBinding="DropDownlist1_DataBinding1" OnSelectedIndexChanged="DropDownList1_SelectedIndexChanged" Width="230px">
                                            </asp:DropDownList>

Answer 1

我终于找到了解决方案!!!

我所做的是右键点击带有Chrome浏览器的投递箱，然后点击了检查元素。在那里，我发现Dropbox的id等于＆＃34; GridView1_DropDownList1_0＆＃34;。

然后我在我的Javascript中执行了以下操作，它确实有效！

var ddl1 = document.getElementById("GridView1_DropDownList1_0");
ddl1.disabled = true

使用Javascript在Gridview中禁用DropDownList

1 个答案: