当JavaScript禁用网格asp.net中某列的所有复选框时，如何禁用“删除”按钮？

我有一个网格，其中有7列，所有复选框都在其中 残废如何禁用“删除”按钮

在下图中，如果取消SO行项目中的所有复选框 如果列被禁用，则应禁用DEL按钮

.Aspx文件

<asp:TemplateField HeaderText="Cancel SO Line Item">
        <ItemTemplate>
        <asp:checkbox ID="cbSOCan" runat="server" ViewStateMode="Enabled" EnableViewState="true"></asp:checkbox>
         </ItemTemplate>

     <asp:LinkButton CssClass="btn btn-primary" ID="btnCancelItem" runat="server" CausesValidation="False"OnClientClick="return Confirmationbox();">&nbsp;Cancel Item</asp:LinkButton>
 <asp:HiddenField id="hdnval" value=0 runat="server"/>

protected void btnCancelItem_Click(object sender, EventArgs e)
{
    foreach (GridViewRow gvrow in gvPOItems.Rows) {
        CheckBox chkdelte = (CheckBox)gvrow.FindControl("cbSOCan");
        HiddenField hdnval = (HiddenField)gvrow.FindControl("hdnval");
        if (chkdelte.Checked) {
            // gvAdditionalArea.Rows(rowIndex).Cells(0).Text()
            Int32 ItemNumber = Convert.ToInt32(gvrow.Cells(0).Text());
            Queries.CancelSOlineItem(ItemNumber, txtPONumber.Text);
            gvrow.Cells(7).Text() = "Cancelled";
            chkdelte.Checked = false;
            chkdelte.Enabled = false;
            hdnval.Value = 1;
}
}
protected void Page_Load(object sender, EventArgs e)
{
{if (!IsPostBack)
int rowcount = 0;
foreach (GridViewRow gvrow in gvPOItems.Rows) {
    HiddenField hdnval = (HiddenField)gvrow.FindControl("hdnval");
    if ((hdnval.Value == 1)) {
        rowcount = rowcount + 1;
    }
}
if ((gvPOItems.Rows.Count == rowcount)) {
    btnCancelItem.Visible = false;
}
}
}

---

您可以检查RowDataBound事件中复选框的状态。如果启用了一个复选框，请将全局布尔值设置为true，然后在页脚行中设置“删除”按钮状态

bool oneCheckBoxIsEnabled = false;

protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
{
    //check if the row is a datarow or the footer row
    if (e.Row.RowType == DataControlRowType.DataRow)
    {
        //check the state of the checkbox
        //either by checking the source data for the value that would trigger the disable
        DataRowView row = e.Row.DataItem as DataRowView;
        if (Convert.ToBoolean(row["isEnabledInDB"]) == true)
        {
            oneCheckBoxIsEnabled = true;
        }

        //or the state of the checkbox with findcontrol
        CheckBox cb = e.Row.FindControl("CheckBox1") as CheckBox;
        if (cb.Enabled == true)
        {
            oneCheckBoxIsEnabled = true;
        }
    }
    else if (e.Row.RowType == DataControlRowType.Footer)
    {
        //use the footer row to enable or disable the button
        DeleteButton.Enabled = oneCheckBoxIsEnabled;
    }
}

---

由Jquery提供

disableCheckbox = function () {
                        //checked check-boxes length
                        checkedCount = $('#CP_Main_gvPOItems input[type=checkbox]:checked').length;

                        //check-boxes length
                        checkboxCount = $('#CP_Main_gvPOItems input[type=checkbox]').length;

                        //if no check-box is selected then alert
                        //                if (checkedCount == 0) {
                        //                    alert('No check-box is selected');
                        // }
                        //check for all disabled check-boxes
                        //var disableCheckBox = 0;
                        $('#CP_Main_gvPOItems input[type=checkbox]').each(function () {
                            if ($(this).is(':disabled')) {
                                disableCheckBox++;
                            }
                        });

                        //if all check-boxes are disabled then disable button
                        if (checkboxCount == disableCheckBox) {

                            $('#CP_Main_btnCancelItem').attr("disabled", "disabled"); //# is missing
                        }
                    }

---

还没有答案..需要帮助c#或jSok不删除它很好知道，稍等片刻，仍在等待…任何JS解决方案？删除按钮不是网格的一部分，因此此页脚操作是否有效？删除按钮位于网格外部，请更新您的答案，如果未选中任何复选框，则按钮应被禁用@VDWWDY您还需要JS解决方案吗？在你的第四条评论中，你有没有发现这个问题？