如何使用JavaScript或Jquery选择GridView中选定的行项的子项?
我在asp.net页面中有一个GridView,如下所示:如何使用JavaScript或Jquery选择GridView中选定的行项的子项?,javascript,jquery,asp.net,gridview,asp.net-3.5,Javascript,Jquery,Asp.net,Gridview,Asp.net 3.5,我在asp.net页面中有一个GridView,如下所示: Checkbox Name Link [] MainName myLink [] -somename1 myLink1 [] -somename2 myLink2 [] --somename2.1 myLink2.1 [] MainName2 mylink3 [] -somename3
Checkbox Name Link
[] MainName myLink
[] -somename1 myLink1
[] -somename2 myLink2
[] --somename2.1 myLink2.1
[] MainName2 mylink3
[] -somename3 Mylink4
protected void SelectCheckBox_OnCheckedChanged(object sender, EventArgs e)
{
System.Web.UI.WebControls.CheckBox chk = sender as System.Web.UI.WebControls.CheckBox;
GridViewRow row = (GridViewRow)chk.NamingContainer;
bool checkVal = false;
String cellText = row.Cells[2].Text;
if (cellText.IndexOf('-') < 0)
{
foreach (GridViewRow r in dgMenuItems.Rows)
{
if (row == r)
{
checkVal = true;
}
if (checkVal)
{
if (r.Cells[2].Text.IndexOf('-') < 0)
{
break;
}
else
{
var cb = (System.Web.UI.WebControls.CheckBox)r.FindControl("chbSelect");
cb.Checked = true;
}
}
}
}
}
请注意,在命名模式中,“主标题”不包括破折号字符作为起始字符,而其他标题包含破折号字符
我想要的是,当我单击“MainName”附近的复选框时,我需要所有属于所选MainName的子行也将被自动选择。假设我单击第一行的复选框:MainName,那么应该会看到:
Checkbox Name Link
[checked] MainName myLink
[checked] -somename1 myLink1
[checked] -somename2 myLink2
[checked] --somename2.1 myLink2.1
[] MainName2 mylink3
[] -somename3 Mylink4
我使用C#管理它,如下所示:
Checkbox Name Link
[] MainName myLink
[] -somename1 myLink1
[] -somename2 myLink2
[] --somename2.1 myLink2.1
[] MainName2 mylink3
[] -somename3 Mylink4
protected void SelectCheckBox_OnCheckedChanged(object sender, EventArgs e)
{
System.Web.UI.WebControls.CheckBox chk = sender as System.Web.UI.WebControls.CheckBox;
GridViewRow row = (GridViewRow)chk.NamingContainer;
bool checkVal = false;
String cellText = row.Cells[2].Text;
if (cellText.IndexOf('-') < 0)
{
foreach (GridViewRow r in dgMenuItems.Rows)
{
if (row == r)
{
checkVal = true;
}
if (checkVal)
{
if (r.Cells[2].Text.IndexOf('-') < 0)
{
break;
}
else
{
var cb = (System.Web.UI.WebControls.CheckBox)r.FindControl("chbSelect");
cb.Checked = true;
}
}
}
}
}
protectedvoid SelectCheckBox\u一旦checkedchanged(对象发送方,事件参数e)
{
System.Web.UI.WebControls.CheckBox chk=发件人为System.Web.UI.WebControls.CheckBox;
GridViewRow行=(GridViewRow)chk.NamingContainer;
bool-checkVal=false;
字符串cellText=行。单元格[2]。文本;
if(cellText.IndexOf('-')小于0)
{
foreach(dgMenuItems.Rows中的GridViewRow r)
{
如果(行==r)
{
checkVal=true;
}
if(checkVal)
{
if(r.Cells[2].Text.IndexOf('-')<0)
{
打破
}
其他的
{
var cb=(System.Web.UI.WebControls.CheckBox)r.FindControl(“chbSelect”);
cb.Checked=真;
}
}
}
}
}
但是我想在JavaScript或JQuery中处理它,而不是在服务器端。在此方面的任何帮助或建议都将不胜感激。这是一种方法
<script>
$('.GridWithCheckBox input[type=checkbox]').change(function () {
var $cb = $(this);
//get the value of the cell to the right
var $name = $cb.parent('td').next('td').html().trim();
//check if the first value is not a '-'
if ($name.substring(0, 1) !== '-') {
//find all next rows and loop them
$cb.closest('tr').nextAll().each(function () {
//find the next cell value
var $nextName = $(this).find('td:eq(1)').html().trim();
//if it has a '-', check the checkbox
if ($nextName.substring(0, 1) === '-') {
$(this).find('input[type=checkbox]').prop('checked', $cb.prop('checked'));
} else {
//if not found stop the function
return false;
}
});
}
});
</script>