[英]ASP.NET Custom Control, Two Grids.. Need some advice
我需要一些建议来设计一个自定义控件,该控件使用两个网格以及之间的“添加”和“删除”按钮。
“添加”按钮从左侧获取所选项目并将其添加到右侧,然后从左侧将其删除。
反之亦然。
为了拥有丰富的经验,我了解可能需要使用Javascript。
目前,我正在创建一个控件,该控件继承具有两个网格和两个源的CompositeControl。 我可以使用UpdatePanel,因此不必在“添加/删除”上做完整的帖子。
对解决此问题的最佳方法有何建议?
我用剑道做了这个样品。 我写了一些部分。希望对我的示例中的主管添加和删除一些路径会有所帮助:您需要这样的主要Action:
public ActionResult AddPathToSupervisor()
{
return View();
}
我的示例比较完整,因为首先在视图中选择一个主管,然后向其添加一些路径。 在视图中,您需要2个网格和2个之间的按钮来进行添加/删除,如下所示:
<div class="row">
<div class="col large">
@(Html.Kendo().ComboBox()
.Name("supervisor")
.BindTo(SupervisorsSelectList)//var DocumetTypesSelectList = ViewBag.DocumetTypesSelectList as List<SelectListItem> ?? new List<SelectListItem>();
.Events(e => e.Change("changeSupervisor"))
)
</div>
</div>
<div class="row">
<div class="col medium">
<p>New Paths</p>
</div>
<div class="col medium">
<p></p>
</div>
<div class="col medium">
<p>Supervisor Paths</p>
</div>
</div>
<div class="row">
<div class="col medium">
@(Html.Kendo().Grid<Distribution.Models.Path>()
.Name("newPathsGrid")
.Columns(columns =>
{
columns.Bound(p => p.PathId).Visible(false);
columns.Bound(p => p.Title).Title(PathResource.Paths);
})
.Sortable()
.Scrollable()
.Navigatable()
.Filterable(filterable => filterable.Extra(false))
//.HtmlAttributes(new { style = "height:480px;" })
.Resizable(resize => resize.Columns(true))
.Selectable(s => s.Mode(GridSelectionMode.Multiple))
.DataSource(dataSource => dataSource
.Ajax()
//.PageSize(15)
.Events(events => events.Error("error_handler"))
.Model(model =>
{
model.Id(p => p.PathId);
model.Field(p => p.PathId).DefaultValue(new Guid());
})
.Read(read => read.Action("FillNewSupervisorPathsGrid", "Paths"))
)
)
</div>
<div class="col medium">
<input type="button" id="addPathToSupervisor" value=">>Add>>" />
<input type="button" id="removePathFromSupervisor" value="<<Remove<<" />
</div>
<div class="col medium k-rtl">
@(Html.Kendo().Grid<Distribution.Models.Path>()
.Name("supervisorPathGrid")
.Columns(columns =>
{
columns.Bound(p => p.PathId).Visible(false);
columns.Bound(p => p.Title).Title(PathResource.Paths);
})
//.Pageable()
.Sortable()
.Scrollable()
.Navigatable()
.Filterable(filterable => filterable.Extra(false))
//.HtmlAttributes(new { style = "height:480px;" })
.Resizable(resize => resize.Columns(true))
.Selectable(s => s.Mode(GridSelectionMode.Multiple))
.DataSource(dataSource => dataSource
.Ajax()
//.PageSize(15)
.Events(events => events.Error("error_handler"))
.Model(model =>
{
model.Id(p => p.PathId);
model.Field(p => p.PathId).DefaultValue(new Guid());
})
.Read(read => read.Action("FillSupervisorPathsGrid", "Paths", new { id = ViewBag.SupervisorId }))
)
)
</div>
</div>
此javascript代码用于选择主管的ID:
<script type="text/javascript">
function changeSupervisor(e) {
var id = this.value();
var supervisorPathGrid = $("#supervisorPathGrid").data("kendoGrid");
supervisorPathGrid.dataSource.read({ id: id });
}
这是添加和删除路径的javascript代码:
<script type="text/javascript">
var supervisorPathGrid = $("#supervisorPathGrid").data("kendoGrid");
var newPathsGrid = $("#newPathsGrid").data("kendoGrid");
var selectedItem = $("#supervisor").data("kendoComboBox");
$(document).on('click', '#addPathToSupervisor', function (e) {
e.preventDefault();
var supervisorId = selectedItem.value();
if (hasManyRowSelected(newPathsGrid)) {
var values = [];
values.push({
name: "supervisorId",
value: supervisorId
});
newPathsGrid.select().each(function () {
values.push({
name: "ids",
value: newPathsGrid.dataItem(this).PathId
});
});
$.ajax({
url: '@Url.Action("AddPathToSupervisor")',
type: 'POST',
datatype: "json",
traditional: true,
data: values,
success: function () {
newPathsGrid.select().each(function () {
var $this = $(this);
var data = newPathsGrid.dataItem($this);
supervisorPathGrid.dataSource.insert(0, data);
});
newPathsGrid.select().each(function () {
var $this = $(this);
var data = newPathsGrid.dataItem($this);
newPathsGrid.removeRow($this);
});
},
beforeSend: function () {
$('#addPathToSupervisor').attr("disabled", true);
$('#addPathToSupervisor').addClass("ajax-load");
},
error: function (event, request, settings) {
ajax_exception(event);
},
complete: function () {
$('#addPathToSupervisor').attr("disabled", false);
$('#addPathToSupervisor').removeClass("ajax-load");
grid.dataSource.read();
},
timeout: 50000
});
}
});
$(document).on('click', '#removePathFromSupervisor', function (e) {
e.preventDefault();
var supervisorId = selectedItem.value();
if (hasManyRowSelected(supervisorPathGrid)) {
var values = [];
supervisorPathGrid.select().each(function () {
values.push({
name: "ids",
value: supervisorPathGrid.dataItem(this).PathId
});
});
$.ajax({
url: '@Url.Action("RemovePathFromSupervisor")',
type: 'POST',
datatype: "json",
traditional: true,
data: values,
success: function () {
supervisorPathGrid.select().each(function () {
var $this = $(this);
var data = supervisorPathGrid.dataItem($this);
newPathsGrid.dataSource.insert(0, data);
});
supervisorPathGrid.select().each(function () {
var $this = $(this);
var data = supervisorPathGrid.dataItem($this);
supervisorPathGrid.removeRow($this);
});
},
beforeSend: function () {
$('#removePathFromSupervisor').attr("disabled", true);
$('#removePathFromSupervisor').addClass("ajax-load");
},
error: function (event, request, settings) {
ajax_exception(event);
},
complete: function () {
$('#removePathFromSupervisor').attr("disabled", false);
$('#removePathFromSupervisor').removeClass("ajax-load");
grid.dataSource.read();
},
timeout: 50000
});
}
});
现在您需要2个Post方法来添加和删除这样的路径:
[HttpPost]
public ActionResult AddPathToSupervisor(string[] ids, string supervisorId)
{
try
{
PathsBll.AddPathsToSupervisor(ids, supervisorId);
}
catch (Exception ex)
{
throw ex;
}
return Json(ModelState.ToDataSourceResult());
}
[HttpPost]
public ActionResult RemovePathFromSupervisor(string[] ids)
{
try
{
PathsBll.RemovePathsFromSupervisor(ids);
}
catch (Exception ex)
{
throw ex;
}
return Json(ModelState.ToDataSourceResult());
}
您可以在其中编写linq以通过ID添加或删除路径。 如果您熟悉剑道,那么您知道有两种填充每个网格的方法。 如果您需要更多信息,请添加评论。 好舔
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