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Thread: [RESOLVED] Dynamic Page Creation via SQL

  1. #1

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    Resolved [RESOLVED] Dynamic Page Creation via SQL

    I'm using MVC and Kendo controls for this website. I have a form already preconfigured but am adding custom user defined fields to add more to it dynamically. The user/admin will select the controls in an admin backend of the site and designate its label caption and type etc. All of this is stored in a ms sql db.

    Looking for some architectural ideas on how best to store and populate the client facing page(s).

    Thanks
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  2. #2
    .NUT jmcilhinney's Avatar
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    Re: Dynamic Page Creation via SQL

    I'm working on an ASP.NET Core project at the moment where we can add custom fields to records and the custom field data is stored in the database. It doesn't sound like your situation is exactly the same but it seems similar at least. When I get some time, I'll let you know how we're handling it.
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  3. #3

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    Re: Dynamic Page Creation via SQL

    Thanks John any help is appreciated.

    I know szlammy has done allot of sql winform design storage apps in the past so I'm hoping he may chime in.

    Hopefully tomorrow I will have more to update here as well.

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    Superbly Moderated NeedSomeAnswers's Avatar
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    Re: Dynamic Page Creation via SQL

    Yeah i would be interested in this also, creating pages dynamically based upon table data isn't that hard in webforms, but i dont see how it works in MVC where you have a fixed model.

    Can you have dynamic Models, or is there something else i am missing about doing this using MVC ?
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  5. #5
    .NUT jmcilhinney's Avatar
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    Re: Dynamic Page Creation via SQL

    I'll post this quickly and go into more detail tomorrow. This is the partial view for the custom properties of a another record:
    Code:
    @model CustomPropertiesValueViewModel
    
    <input asp-for="CustomPropertiesAreReadOnly" />
    
    @{
        var dateTimePickers = new List<String>();
        var datePickers = new List<String>();
        var timePickers = new List<String>();
    
        if (Model != null && Model.CustomPropertyValues.Count > 0)
        {
    
            var customPropertyValues = Model.CustomPropertyValues.OrderBy(cp => cp.DisplayOrder)
                .ThenBy(cp => cp.Name)
                .ThenBy(cp => cp.OwnerCustomPropertyId)
                .ToList();
    
            for (var i = 0; i < customPropertyValues.Count; i++)
            {
                var customPropertyValue = customPropertyValues[i];
                var labelClass = customPropertyValue.IsMandatory ? "Mandatory" : "";
                var inputId = $"'CustomPropertyValues_{i}__Value'";
                var inputClass = WebViewPageHelper.IsTrue(ViewBag.CanUserConfigureCustomProperty) ? "InputWithInlineToolbar" : "";
                var toolbarItemClass = "";
                if (customPropertyValue.HasValidationError)
                {
                    inputClass += " input-validation-error";
                }
    
                var inputDataAttributes = customPropertyValue.IsMandatory ? $"data-val='true' dat-val-required='The {customPropertyValue.Name} field is required'" : "";
    
                if (customPropertyValue.CustomPropertyTypeName == Constants.CUSTOM_PROPERTY_TYPE_DATETIME)
                {
                    dateTimePickers.Add(inputId);
                }
    
                if (customPropertyValue.CustomPropertyTypeName == Constants.CUSTOM_PROPERTY_TYPE_DATE)
                {
                    datePickers.Add(inputId);
                }
    
                if (customPropertyValue.CustomPropertyTypeName == Constants.CUSTOM_PROPERTY_TYPE_TIME)
                {
                    timePickers.Add(inputId);
                }
    
                <li id="customProperty_CustomPropertyId_@customPropertyValue.CustomPropertyId" class="CustomProperty">
                    <label for="CustomPropertyValues[@i].Value" class="@labelClass">@customPropertyValue.Name:</label>
                    @if (customPropertyValue.CustomPropertyTypeName == Constants.CUSTOM_PROPERTY_TYPE_BOOLEAN)
                    {
                        <select id=@Html.Raw(inputId) name="CustomPropertyValues[@i].Value" class="@inputClass" @Html.Raw(inputDataAttributes)>
                            <option value=""></option>
                            @if (customPropertyValue.Value == "Yes" || customPropertyValue.Value == "True")
                            {
                                <option value="True" selected>Yes</option>
                                <option value="False">No</option>
                            }
                            else if (customPropertyValue.Value == "No" || customPropertyValue.Value == "False")
                            {
                                <option value="True">Yes</option>
                                <option value="False" selected>No</option>
                            }
                            else
                            {
                                <option value="True">Yes</option>
                                <option value="False">No</option>
                            }
                        </select>
                    }
                    else if (customPropertyValue.CustomPropertyTypeName == Constants.CUSTOM_PROPERTY_TYPE_NOTE)
                    {
                        <textarea id=@Html.Raw(inputId) name="CustomPropertyValues[@i].Value" class="@inputClass" @Html.Raw(inputDataAttributes)>@customPropertyValue.Value</textarea>
                    }
                    else if (customPropertyValue.CustomPropertyReferenceLists?.Count > 0)
                    {
                        <select id=@Html.Raw(inputId) name="CustomPropertyValues[@i].Value" class="@inputClass" @Html.Raw(inputDataAttributes)>
                            <option value=""></option>
                            @foreach (var customPropertyReferenceList in customPropertyValue.CustomPropertyReferenceLists.OrderBy(rl => rl.Value))
                            {
                                if (customPropertyReferenceList.Value == customPropertyValue.Value)
                                {
                                    <option selected>@customPropertyReferenceList.Value</option>
                                }
                                else
                                {
                                   <option>@customPropertyReferenceList.Value</option>
                                }
                            }
                        </select>
                    }
                    else
                    {
                        <input id=@Html.Raw(inputId) name="CustomPropertyValues[@i].Value" type="text" value="@customPropertyValue.Value" class="@inputClass" @Html.Raw(inputDataAttributes) />
                    }
                    @if (WebViewPageHelper.IsTrue(ViewBag.CanUserConfigureCustomProperty))
                    {
                        <div class="InlineToolbar">
                            <a asp-controller="customproperties" asp-action="customproperty" asp-route-id="@customPropertyValue.CustomPropertyId" asp-route-ownerType="@customPropertyValue.OwnerType" asp-route-ownerId="@customPropertyValue.OwnerId"><img src='@Url.Content("~/images/Edit.png")' alt="Edit" title="Edit" /></a>
                            @if (i == 0)
                            {
                                toolbarItemClass = "MoveDisplayOrder MoveDisplayOrderUp Hidden";
                            }
                            else
                            {
                                toolbarItemClass = "MoveDisplayOrder MoveDisplayOrderUp";
                            }
                            <a id="customProperty_MoveDisplayOrderUp_@customPropertyValue.CustomPropertyId" class="@toolbarItemClass" onclick="moveDisplayOrderUp(@customPropertyValue.CustomPropertyId, '@customPropertyValue.OwnerType', @customPropertyValue.OwnerId);"><img src='@Url.Content("~/images/MoveUp.png")' alt="Move up" title="Move up" /></a>
                            @if (i == customPropertyValues.Count - 1)
                            {
                                toolbarItemClass = "MoveDisplayOrder MoveDisplayOrderDown Hidden";
                            }
                            else
                            {
                                toolbarItemClass = "MoveDisplayOrder MoveDisplayOrderDown";
                            }
                            <a id="customProperty_MoveDisplayOrderDown_@customPropertyValue.CustomPropertyId" class="@toolbarItemClass" onclick="moveDisplayOrderDown(@customPropertyValue.CustomPropertyId, '@customPropertyValue.OwnerType', @customPropertyValue.OwnerId);"><img src='@Url.Content("~/images/MoveDown.png")' alt="Move down" title="Move down" /></a>
                        </div>
                    }
                    <input type="hidden" name="CustomPropertyValues[@i].OwnerCustomPropertyId" value="@customPropertyValue.OwnerCustomPropertyId" />
                    <input type="hidden" name="CustomPropertyValues[@i].OwnerType" value="@customPropertyValue.OwnerType" />
                    <input type="hidden" name="CustomPropertyValues[@i].OwnerId" value="@customPropertyValue.OwnerId" />
                    <input type="hidden" name="CustomPropertyValues[@i].CustomPropertyId" value="@customPropertyValue.CustomPropertyId" />
                    <input type="hidden" name="CustomPropertyValues[@i].CustomPropertyTypeName" value="@customPropertyValue.CustomPropertyTypeName" />
                    <input type="hidden" id="customPropertyValue_DisplayOrder_@customPropertyValue.CustomPropertyId" name="CustomPropertyValues[@i].DisplayOrder" value="@customPropertyValue.DisplayOrder" />
                    <input type="hidden" name="CustomPropertyValues[@i].IsMandatory" value="@customPropertyValue.IsMandatory.ToString()" />
                    <input type="hidden" name="CustomPropertyValues[@i].Name" value="@customPropertyValue.Name" />
                </li>
            }
        }
    
        <script type="text/javascript">
            function configureCustomProperties()
            {
                //date pickers
                SI.UI.attachDateTimePickers([@Html.Raw(string.Join(",", dateTimePickers))]);
                SI.UI.attachDatePickers([@Html.Raw(string.Join(",", datePickers))]);
                SI.UI.attachTimePickers([@Html.Raw(string.Join(",", timePickers))]);
    
                //set initial focus
                @if (Model.CustomPropertyValues.Count > 0 && Model.CustomPropertyValues[0].OwnerType == CustomPropertyOwningEntityType.EventEvaluationTemplate)
                {
                    @Html.Raw("$('#CustomPropertyValues_0__Value').focus();");
                }
            }
        </script>
    
        @Html.Partial("_CustomPropertyValueListScript")
    }
    The important point to note is that the view loops over the custom properties collection and outputs the appropriate control based on the data type.
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  6. #6

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    Re: Dynamic Page Creation via SQL

    It looks like you are designing it so the user can really design it. Giving them a toolbar to move control locations.

    We are doing a page that is less dynamic. We have a standard template of a page for this and any extra fields that the user needs added to this in the admin area of the site. If the user adds a text type field with a label caption it is to be shown in addition to the rest of the client facing page for data input. Now if they choose multiple fields of text, date or numeric types they will all be output in the order created. I seen the DisplayOrder property you have and that's a good idea but how are you designating its size? Are you giving them that much granularity of control?

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  7. #7
    Superbly Moderated NeedSomeAnswers's Avatar
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    Re: Dynamic Page Creation via SQL

    This is really interesting JMC i meant to reply earlier but forgot.

    How is the save handled, how is it wired up to push the data back to the model ?

    also what are you outputting in the - _CustomPropertyValueListScript ?
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  8. #8
    .NUT jmcilhinney's Avatar
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    Re: Dynamic Page Creation via SQL

    Looks like I forgot to get back to this too. I'll have to leave it until tomorrow for now but I will post more details.
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    Re: Dynamic Page Creation via SQL

    Since I only needed a partial of the page created dynamically I ended up doing something similar but to a lesser degree. I'm sure I can optimize this more but here it is for now.
    DataType sub-property of FieldControl collection holds all the controls detail properties which are populated from the db.

    System and Custom field sections are dynamic and configured on another page. Kinda like create a template and then use that template to populate data. Field labels are dynamic as well as the associated data control. I may add the kendo control html code to a field in the db so when the control is pulled it doesn't need an if statement to determine the html kendo code to use.

    Sample data page of concerned sections shown in attachment with fictitious data populated. Code example is for Custom Field section only. Note that System Fields only created 2 fields out of the possible 8 like Custom fields has.

    Using MVC, bootstrap and Razr

    Code:
    <div class="row row-custom">
        @foreach (WebProCore.Models.FieldControl oControl in @Model.CustomFieldControls)
        {
            <div class="col-md-3 custom-field-padding">
                <label for="customField1">@oControl.Name</label><br />
                @if (oControl.DataType.id == (long)WebProCore.Models.FieldControl.DATATYPE.TEXT)
                {
                    @(Html.Kendo().TextBox()
                    .Name(oControl.FieldName)
                    .Value(oControl.Value.ToString())
                    .HtmlAttributes(new { style = "width: 100%;" })
                    )
                }
                @if (oControl.DataType.id == (long)WebProCore.Models.FieldControl.DATATYPE.DATE)
                {
                    @(Html.Kendo().DatePicker()
                    .Name(oControl.FieldName)
                    .Value(oControl.Value)
                    .HtmlAttributes(new { style = "width: 100%;" })
                    )
                }
                @if (oControl.DataType.id == (long)WebProCore.Models.FieldControl.DATATYPE.NUMBER)
                {
                    @(Html.Kendo().NumericTextBox()
                    .Name(oControl.FieldName)
                    .RestrictDecimals(true)
                    .Decimals(0)
                    .Format("{0:n0}")
                    .Value(oControl.Value_Long)
                    .HtmlAttributes(new { style = "width: 100%;" })
                    )
                }
            </div>
        }
    </div>
    Name:  Dynamic Page1.jpg
Views: 1089
Size:  20.7 KB
    Last edited by RobDog888; Jan 17th, 2018 at 01:40 PM.
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  10. #10
    Superbly Moderated NeedSomeAnswers's Avatar
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    Re: [RESOLVED] Dynamic Page Creation via SQL

    Are you going to post any Further on this JMC ? it would be great to see an example of the code to save the data back.
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  11. #11
    .NUT jmcilhinney's Avatar
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    Re: [RESOLVED] Dynamic Page Creation via SQL

    I will make every effort to do so this weekend. I've just been putting it off because it's going to take a little bit of time to get all the relevant stuff straight.
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  12. #12
    Superbly Moderated NeedSomeAnswers's Avatar
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    Re: [RESOLVED] Dynamic Page Creation via SQL

    no worries i appreciate you making the effort
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  13. #13
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    Re: [RESOLVED] Dynamic Page Creation via SQL

    we also allow custom data on our fields at work, but it's incredibly silly how it works in my opinion. there is a form where you create a custom data field and then you say what table it applies to. It shows up in a popup when you click a button on that page. I wonder if i can implement something like you did here to a kendo mvc layout?

  14. #14
    Superbly Moderated NeedSomeAnswers's Avatar
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    Re: [RESOLVED] Dynamic Page Creation via SQL

    Hey JMC,

    i had forgotten about this thread but if you are able to provide an example i would definitely be interested in it still
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