Questions on UI for Blazor Forum

3 questions

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Hello Telerik Team,

When i tried to bound Grid to a ExpandoObject or DataTable I can't use filter properties .It throws unhandling Exception error. How to sort out this issue.

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asked on 30 Nov 2023

1 answer

522 views

Access to Blazor components' source code

I recall being told I would have access to source code once I buy a licence.

Now that I have a licence, how do I get access to the source so I can do a local build?

answered on 30 Dec 2022

1 answer

979 views

Grid inline editing validation messages not working

I have a grid that does CRUD and it works correctly. Editing mode is Inline. The required value validation rules (defined on the data model) are working, but all that happens visually in the grid is a red border on the required fields. The validation messages I expect as tooltips never display.

The column in question are Activity and ActivityDate.

(All latest versions of Telerik products as of 5/23/22)

This is the entity definition:

public class BoxActivity
{
    public BoxActivity()
    {
        // Provide these default values so these required columns that will be auto-set do not cause validation to fail.
        ActivityDate = DateTime.Now;
        LastUpdatedDate = DateTime.Now;
        LastUpdatedBy = "default";
    }

    [Required]
    [Dapper.Contrib.Extensions.Key]
    public int BoxActivityId { get; set; }

    [Required]
    public int BoxId { get; set; }

    [Required(ErrorMessage = "Enter an activity")]
    [StringLength(30)]
    public string Activity { get; set; }

    [Required(ErrorMessage = "Enter an activity date")]
    public DateTime ActivityDate { get; set; }

    [StringLength(50)]
    public string RequestedBy { get; set; }

    public int? FacilityId { get; set; }

    [StringLength(4000)]
    public string Notes { get; set; }

    [Required]
    public DateTime LastUpdatedDate { get; set; }

    [Required]
    [StringLength(50)]
    public string LastUpdatedBy { get; set; }
}

This is the grid definition:

        <TelerikGrid Data="@boxActivity" EditMode="@GridEditMode.Inline" Height="auto"
                Pageable="false" Sortable="false" Groupable="false"
                FilterMode="Telerik.Blazor.GridFilterMode.None"
                Resizable="false" Reorderable="false" ConfirmDelete="true"
                OnUpdate="@BoxActivityUpdateHandler" OnEdit="@BoxActivityEditHandler" 
                OnDelete="@BoxActivityDeleteHandler" OnCreate="@BoxActivityCreateHandler" OnCancel="@BoxActivityCancelHandler">
            <GridToolBar>
                <GridCommandButton Command="Add" Icon="add">Add Activity</GridCommandButton>
            </GridToolBar>
            <GridSettings>
                <GridValidationSettings Enabled="true" />
            </GridSettings>
            <GridColumns>
                <GridColumn Field="@(nameof(BoxActivity.ActivityDate))" Title="Activity Date" Editable="true">
                    <HeaderTemplate>
                        <label class="efc-grid-col-hdr">Activity Date</label>
                    </HeaderTemplate>
                    <Template>
                        <div style="text-align: center;">
                            @((context as BoxActivity).ActivityDate.ToString("MM/dd/yyyy"))
                        </div>
                    </Template>
                    <EditorTemplate>
                        <TelerikDatePicker @bind-Value="@((context as BoxActivity).ActivityDate)" Id="ActivityDate" Width="120px"></TelerikDatePicker>
                    </EditorTemplate>
                </GridColumn>
                <GridColumn Field="@(nameof(BoxActivity.Activity))" Title="Activity" >
                    <HeaderTemplate>
                        <label class="efc-grid-col-hdr">Activity</label>
                    </HeaderTemplate>
                    <Template>
                        <div style="text-align: center;">
                            @((context as BoxActivity).Activity)
                        </div>
                    </Template>
                    <EditorTemplate>
                        <TelerikDropDownList @bind-Value="@((context as BoxActivity).Activity)"
                                                DefaultText="Choose an Activity"
                                                Data="@activities"
                                                Id="Activity" >
                        </TelerikDropDownList>
                    </EditorTemplate>
                </GridColumn>
                <GridColumn Field="@(nameof(BoxActivity.RequestedBy))" Title="Requested By" >
                    <HeaderTemplate>
                        <label class="efc-grid-col-hdr">Requested By</label>
                    </HeaderTemplate>
                    <Template>
                        <div style="text-align: center;">
                            @((context as BoxActivity).RequestedBy)
                        </div>
                    </Template>
                    <EditorTemplate>
                        <TelerikDropDownList @bind-Value="@((context as BoxActivity).RequestedBy)"
                                                DefaultText="Choose a Requestor"
                                                Data="@requestors"
                                                Width="180px"
                                                Id="RequestedBy" >
                        </TelerikDropDownList>
                    </EditorTemplate>
                </GridColumn>
                <GridColumn Field="@(nameof(BoxActivity.FacilityId))" Title="Facility" >
                    <HeaderTemplate>
                        <label class="efc-grid-col-hdr">Facility</label>
                    </HeaderTemplate>
                    <Template>
                        <TelerikDropDownList @bind-Value="@((context as BoxActivity).FacilityId)"
                                                Data="@facilities"
                                                Enabled="false"
                                                TextField="FacilityName" 
                                                ValueField="FacilityId" 
                                                Width="180px"
                                                Id="FacilityId" >
                        </TelerikDropDownList>
                    </Template>
                    <EditorTemplate>
                        <TelerikDropDownList @bind-Value="@((context as BoxActivity).FacilityId)"
                                                DefaultText="Choose a Facility"
                                                Data="@facilities"
                                                TextField="FacilityName" 
                                                ValueField="FacilityId" 
                                                Width="180px"
                                                Id="FacilityId" >
                        </TelerikDropDownList>
                    </EditorTemplate>
                </GridColumn>
                <GridColumn Field="@(nameof(BoxActivity.Notes))" Title="Notes">
                    <HeaderTemplate>
                        <label class="efc-grid-col-hdr">Notes</label>
                    </HeaderTemplate>
                    <EditorTemplate>
                        <TelerikTextArea @bind-Value="@((context as BoxActivity).Notes)" AutoSize="true" Id="Contents" ></TelerikTextArea>
                    </EditorTemplate>
                </GridColumn>
                <GridCommandColumn Context="NewNameToNotCollideBoxActivityContext">
                    <GridCommandButton Command="Save" Icon="save" ShowInEdit="true">Update</GridCommandButton>
                    <GridCommandButton Command="Edit" Icon="edit">Edit</GridCommandButton>
                    <GridCommandButton Command="Delete" Icon="delete">Delete</GridCommandButton>
                    <GridCommandButton Command="Cancel" Icon="cancel" ShowInEdit="true">Cancel</GridCommandButton>
                </GridCommandColumn>
            </GridColumns>
        </TelerikGrid>