C# 如何在dropdownlist onchange事件中访问HiddenField值
如何从dropdownlist onchange事件访问gridview itemtemplate hiddenfield值?。基本上,若你们在下面看到,我在dropdownlist值更改上调用ConfirmStatus,我需要将hiddenfield值传递给那个方法C# 如何在dropdownlist onchange事件中访问HiddenField值,c#,javascript,jquery,asp.net,.net,C#,Javascript,Jquery,Asp.net,.net,如何从dropdownlist onchange事件访问gridview itemtemplate hiddenfield值?。基本上,若你们在下面看到,我在dropdownlist值更改上调用ConfirmStatus,我需要将hiddenfield值传递给那个方法 <asp:TemplateField Visible="true" HeaderText="Status" > <ItemTemplate> <asp:DropDownList ID="d
<asp:TemplateField Visible="true" HeaderText="Status" >
<ItemTemplate>
<asp:DropDownList ID="ddlTransactionList" Visible = "False" AutoPostBack="True" OnSelectedIndexChanged="ddlTransactionList_SelectedIndexChanged"
onchange=" if(ConfirmStatus(this)!=1){ return false;}"
runat="server"/>
<asp:Label runat="server" ID="lblStatus" Visible="True" Text='<%# ShowStatus( Container.DataItem ) %>' />
<input id="hiddenOriginalStatus" type="hidden" runat="server" />
</ItemTemplate>
</asp:TemplateField>
我宁愿从代码后面触发onchange,因为这是您分配和拥有所有值的地方
protected void gridview1_DataBound(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.DataRow)
{
HiddenField hiddenOriginalStatus = (HiddenField)e.Row.FindControl("hiddenOriginalStatus");
(e.Row.FindControl("ddlTransactionList") as DropDownList).Attributes.Add("onchange", "ConfirmStatus('" + hiddenOriginalStatus.Value + "');");
}
}
你试过什么吗?我看不到你从上面的代码中为隐藏字段hiddenOriginalStatus赋值,它是从哪里赋值的?@YanBrunet试图使用此函数访问jquery函数中的隐藏字段值,但没有结果警报$this.parent.find'hiddenOriginalStatus'.val;因为它是一个ID,你不需要通过家长和所有人。只需转到$'hiddenOriginalStatus'.val.@YanBrunet这会给我触发dropdownlist事件的行的hiidenfield值吗