我在视图中有 3 个剑道网格和一个保存按钮。当我点击 Save 按钮时，我会在控制器的 action 方法中获得更新的 ViewModel，从而在数据库中添加/更新记录。但是保存操作方法被调用了 3 次，因为视图上有 3 个剑道网格。我从视图中删除了 2 个网格，它只回发一次，因为视图只有一个网格（奇怪）。
单击“保存”按钮时如何停止多次回发？
索引.cshtml
@using (Html.BeginForm("Save", "UDFController", FormMethod.Post))
{
<input class="button" type="submit" name="save" value="Save"/>
@(Html.Kendo().Grid(Model.List1)
.Name("List1")
.HtmlAttributes(new { style = "width:auto;height:100%" })
.ToolBar(toolbar => toolbar.Create().Text("Add New Record"))
.Editable(editable => editable.Mode(GridEditMode.InCell).CreateAt(GridInsertRowPosition.Top))
.Columns(columns =>
{
columns.Bound(p => p.Title)
.ClientTemplate("#= Title #" +
"<input type='hidden' name='DateFields[#= index(data)#].Title' value='#= Title #' />")
.Title("Title").HtmlAttributes(new { style = "width:30%" });
columns.Bound(p => p.MaxPrecision).Title("Decimal Places")
.ClientTemplate("#= MaxPrecision #" +
"<input type='hidden' name='DateFields[#= index(data)#].MaxPrecision' value='#= MaxPrecision #' />");
columns.Bound(p => p.IsObsolete).Title("Obsolete")
.ClientTemplate("#= IsObsolete #" +
"<input type='hidden' name='DateFields[#= index(data)#].IsObsolete' value='#= IsObsolete #' />");
})
.DataSource(datasource => datasource
.Ajax()
.Model(model =>
{
{
model.Id(p => p.Title);
model.Field(p => p.Title).Editable(true);
model.Field(p => p.MaxPrecision).Editable(true);
model.Field(p => p.IsObsolete).Editable(true);
}
}
)
)
)
@(Html.Kendo().Grid(Model.List2)
.Name("List2")
.HtmlAttributes(new { style = "width:auto;height:100%" })
.ToolBar(toolbar => toolbar.Create().Text("Add New Record"))
.Editable(editable => editable.Mode(GridEditMode.InCell).CreateAt(GridInsertRowPosition.Top))
.Columns(columns =>
{
columns.Bound(p => p.Title)
.ClientTemplate("#= Title #" +
"<input type='hidden' name='DateFields[#= index(data)#].Title' value='#= Title #' />")
.Title("Title").HtmlAttributes(new { style = "width:30%" });
columns.Bound(p => p.MaxPrecision).Title("Decimal Places")
.ClientTemplate("#= MaxPrecision #" +
"<input type='hidden' name='DateFields[#= index(data)#].MaxPrecision' value='#= MaxPrecision #' />");
columns.Bound(p => p.IsObsolete).Title("Obsolete")
.ClientTemplate("#= IsObsolete #" +
"<input type='hidden' name='DateFields[#= index(data)#].IsObsolete' value='#= IsObsolete #' />");
})
.DataSource(datasource => datasource
.Ajax()
.Model(model =>
{
{
model.Id(p => p.Title);
model.Field(p => p.Title).Editable(true);
model.Field(p => p.MaxPrecision).Editable(true);
model.Field(p => p.IsObsolete).Editable(true);
}
}
)
)
)
@(Html.Kendo().Grid(Model.List3)
.Name("List3")
.HtmlAttributes(new { style = "width:auto;height:100%" })
.ToolBar(toolbar => toolbar.Create().Text("Add New Record"))
.Editable(editable => editable.Mode(GridEditMode.InCell).CreateAt(GridInsertRowPosition.Top))
.Columns(columns =>
{
columns.Bound(p => p.Title)
.ClientTemplate("#= Title #" +
"<input type='hidden' name='DateFields[#= index(data)#].Title' value='#= Title #' />")
.Title("Title").HtmlAttributes(new { style = "width:30%" });
columns.Bound(p => p.MaxPrecision).Title("Decimal Places")
.ClientTemplate("#= MaxPrecision #" +
"<input type='hidden' name='DateFields[#= index(data)#].MaxPrecision' value='#= MaxPrecision #' />");
columns.Bound(p => p.IsObsolete).Title("Obsolete")
.ClientTemplate("#= IsObsolete #" +
"<input type='hidden' name='DateFields[#= index(data)#].IsObsolete' value='#= IsObsolete #' />");
})
.DataSource(datasource => datasource
.Ajax()
.Model(model =>
{
{
model.Id(p => p.Title);
model.Field(p => p.Title).Editable(true);
model.Field(p => p.MaxPrecision).Editable(true);
model.Field(p => p.IsObsolete).Editable(true);
}
}
)
)
)
}
控制器代码
[HttpPost]
public ActionResult Save(ListViewModel viewModel)
{
//This is getting called 3 times. But this is supposed to be called 1 time
if (ModelState.IsValid)
{
if (viewModel != null)
{
try
{
viewModel.Save(viewModel);
return View("Index", viewModel);
}
catch (Exception e)
{
return View("Index", viewModel);
}
}
}