C# 如何使用剑道网格在控制器中显示验证错误消息?
我使用以下代码编辑剑道网格中的字段:C# 如何使用剑道网格在控制器中显示验证错误消息?,c#,model-view-controller,kendo-ui,C#,Model View Controller,Kendo Ui,我使用以下代码编辑剑道网格中的字段: Html.Kendo().Grid(Model.lstResend) .Name("ResendFlowGride") .Columns( column => { column.Bound(e => e.FLOW_ID).Title("Id").Hidden(true); column.Bound(e
Html.Kendo().Grid(Model.lstResend)
.Name("ResendFlowGride")
.Columns(
column =>
{
column.Bound(e => e.FLOW_ID).Title("Id").Hidden(true);
column.Bound(e => e.GROUP_ID).Title("Group Id").Hidden(true);
column.Bound(e => e.GROUP_NAME).Title("Group Name");
column.Bound(e => e.ITEM_ID).Title("Item Id").Hidden(true);
column.Bound(e => e.ITEM_NAME).Title("Item Name");
column.Bound(e => e.ITEM_VALUE).Title("Item Value");
// column.Bound(e => e.ITEM_VALUE).Ed
}
)
.Editable(editable => editable.Mode(GridEditMode.InCell))
.DataSource(datasource => datasource.Ajax()
.Model(model =>
{
model.Id(p => p.ITEM_ID);
model.Field(p => p.ITEM_ID).Editable(false);
model.Field(p => p.GROUP_ID).Editable(false);
model.Field(p => p.GROUP_NAME).Editable(false);
model.Field(p => p.ITEM_NAME).Editable(false);
model.Field(p => p.ITEM_VALUE).Editable(true);
})
.Update(update => update.Action("Update", "Registration"))
)
我有以下控制器:
public ActionResult Update([DataSourceRequest]DataSourceRequest request, ResendFlow txns)
{
try
{
if (txns != null && ModelState.IsValid)
{
var regDetailsToUpdate = _repository.Context.REG_REGISTRATION_MST_T.Where(x => x.REGISTRATION_ID == txns.Reg_Id).FirstOrDefault();
_repository.Update(regDetailsToUpdate, regDetailsToUpdate.REGISTRATION_ID);
if (txns.ITEM_NAME == "Standard Settlement Configuration Id")
{
regDetailsToUpdate.STANDARD_SETTLEMENT_CONFIGURATION_ID = txns.ITEM_VALUE;
if (String.IsNullOrEmpty(txns.ITEM_VALUE))
{
//display error msg -> item valu
return Json(new { success = false, validinput = false, message = "Please enter the Standard Settlement Configuration Id" }, JsonRequestBehavior.AllowGet);
}
else
{
int i = 0;
string s = txns.ITEM_VALUE;//"0393"
bool result = int.TryParse(s, out i);//0393
if (!result == true)
{
ModelState.AddModelError(txns.ITEM_VALUE, "Not Valid SSC");
}
}
}
_repository.Save();
return Json(new { success = true, validinput = true, message = "Updated details Successfully" }, JsonRequestBehavior.AllowGet);
}
}
catch (Exception e)
{
}
return Json(ModelState.ToDataSourceResult());
}
如果用户输入字符而不是数字,我想显示验证消息。如何在控制器中使用剑道显示验证错误消息?尝试替换
return Json(ModelState.ToDataSourceResult());
与
您希望将ModelState
和请求
传递回数据源请求中
在网格本身中,您希望引用DataSource的Error方法
.DataSource(datasource => datasource
.Ajax()
.Events(e => e
.Error("Grid_Error") // Can be named anything but it's usually best to add the suffix '_Error'
)
现在,您只需要一个名为this的javascript函数并打印错误,例如:
function Grid_Error(e){
if(e.errors){
var message = "There are some errors:\n";
// Loop through the errors you defined in the controller
$.each(e.errors, function(key, value){
if('errors' in value)
{
$.each(value.errors, function(){
message += this. '\n';
})
}
})
alert(message);
// Here you can simply cancel the changes using the datasource, reverting the grid back to its original state.
}
}
注意:如果这个网格是局部的,您可能需要将这个javascript函数提高一个级别,在父级的cshtml中,我已经更新了我的答案,并添加了一个示例javascript函数来帮助您
function Grid_Error(e){
if(e.errors){
var message = "There are some errors:\n";
// Loop through the errors you defined in the controller
$.each(e.errors, function(key, value){
if('errors' in value)
{
$.each(value.errors, function(){
message += this. '\n';
})
}
})
alert(message);
// Here you can simply cancel the changes using the datasource, reverting the grid back to its original state.
}
}