Organizing Dates in a Kendo Grid: How to Filter and Sort a DateTime Field

Question

Organizing Dates in a Kendo Grid: How to Filter and Sort a DateTime Field

I am working with a datetime column in my Kendo Grid that displays values like this: 2014-04-11 12:43:41.720

To simplify the display, I have changed the template to show only short dates: 04/11/2014

The reason for not sending preformatted data to the columns is so that the time is considered when sorting. However, I face an issue when filtering using an "equal to" filter. If I select 4/11/2014 from the datepicker, no results are shown because the default time is 12:00:00.00.

Is there a way to filter based on the text rather than the value? Alternatively, can I send preformatted dates to the grid and use a different field for sorting?

This is a snippet of the JavaScript code for my column:

columns: [
    { 
      field: "CREATEDATE",
      title: "Created",
      width: 78,
      template: '#= kendo.toString(kendo.parseDate(CREATEDATE, "yyyy-MM-dd"), "MM/dd/yyyy") #',
      filterable: true,
      attributes: { style: "text-align:center;" }
    }
]

javascript kendo-ui kendo-grid

Answer 1

Answer №1

Check out the detailed guide provided by Telerik forum on how to implement Grid filters with date and time; you can download it here.

If you're looking for a ready-made solution, they also offer the code snippet needed to customize Kendo filter operation in their example. This includes using JavaScript/jQuery to override the default filter behavior and create your own rules.

The core concept is to construct a new date object based on specific parts of the date that are relevant to your needs, such as day, month, and year.

<html>
<head>
    <title>Dynamically alter date format</title>
    <script src="http://code.jquery.com/jquery-1.7.1.min.js"></script>
    <script src="http://cdn.kendostatic.com/2012.1.515/js/kendo.all.min.js"></script>
    <link href="http://cdn.kendostatic.com/2012.1.515/styles/kendo.common.min.css" rel="stylesheet" />
    <link href="http://cdn.kendostatic.com/2012.1.515/styles/kendo.default.min.css" rel="stylesheet" />
</head>
<body>

    <input id="dropDownList"></input>
    <br />
    <div id="grid"></div>

    <script>
        // JavaScript logic here
    </script>
</body>
</html>

Answer 2

Check out the detailed guide provided by Telerik forum on how to implement Grid filters with date and time; you can download it here.

If you're looking for a ready-made solution, they also offer the code snippet needed to customize Kendo filter operation in their example. This includes using JavaScript/jQuery to override the default filter behavior and create your own rules.

The core concept is to construct a new date object based on specific parts of the date that are relevant to your needs, such as day, month, and year.

<html>
<head>
    <title>Dynamically alter date format</title>
    <script src="http://code.jquery.com/jquery-1.7.1.min.js"></script>
    <script src="http://cdn.kendostatic.com/2012.1.515/js/kendo.all.min.js"></script>
    <link href="http://cdn.kendostatic.com/2012.1.515/styles/kendo.common.min.css" rel="stylesheet" />
    <link href="http://cdn.kendostatic.com/2012.1.515/styles/kendo.default.min.css" rel="stylesheet" />
</head>
<body>

    <input id="dropDownList"></input>
    <br />
    <div id="grid"></div>

    <script>
        // JavaScript logic here
    </script>
</body>
</html>

Answer 3

Answer №2

After receiving a helpful solution from jwatts regarding filtering, I decided to share an additional answer for the benefit of others who may encounter a similar issue. In the process, I made some adjustments to my code to resolve a secondary question:

"Can preformatted dates be sent to the grid for sorting using a different field?"

In the end, I opted to utilize preformatted dates in my grid as column values for easier filtering without having to deal with timestamps. To tackle the sorting problem, I modified my controller logic during rebind by checking the DataSourceRequest for any sort parameters. If the user was sorting based on the preformatted date column, I changed it to use the complete datetime column (which was hidden).

if (request.Sorts != null)
{
    foreach (var sort in request.Sorts)
    {
        if (sort.Member.Equals("CREATEDATE_FORMATTED", System.StringComparison.OrdinalIgnoreCase))
        {
            sort.Member = "CREATEDATE";
        }
    }
}

Answer 4

After receiving a helpful solution from jwatts regarding filtering, I decided to share an additional answer for the benefit of others who may encounter a similar issue. In the process, I made some adjustments to my code to resolve a secondary question:

"Can preformatted dates be sent to the grid for sorting using a different field?"

In the end, I opted to utilize preformatted dates in my grid as column values for easier filtering without having to deal with timestamps. To tackle the sorting problem, I modified my controller logic during rebind by checking the DataSourceRequest for any sort parameters. If the user was sorting based on the preformatted date column, I changed it to use the complete datetime column (which was hidden).

if (request.Sorts != null)
{
    foreach (var sort in request.Sorts)
    {
        if (sort.Member.Equals("CREATEDATE_FORMATTED", System.StringComparison.OrdinalIgnoreCase))
        {
            sort.Member = "CREATEDATE";
        }
    }
}

Answer 5

Answer №3

Although this post may be old and already resolved, I came across it while looking for a solution to a similar question. I found an easier way to address the second part of your query: "can I have the sort use a different field." The KendoUI data grid provides a configuration option that allows customization for this purpose.

For instance, if you want to sort a column based on both user name and date, but only by date, you can do so using the following approach:

 gridColumns: [
                { field: 'title', title: 'Title' },
                { field: 'changedByDetail', title: 'Changed',
                    sortable: {
                        compare: function (a, b, desc){
                            if (a.changedDateTime < b.changedDateTime) {
                                return -1;
                            }
                            else if (a.changedDateTime > b.changedDateTime) {
                                return 1;
                            }
                            return 0;
                        }
                    }
                }
            ]

In this scenario, the 'changedDateTime' field contains the datetime values in the datasource. If not, you could utilize a string parsing function to extract the datetime information, convert it to a date format, and then compare the dates accordingly.

I hope this explanation proves helpful to someone!

Answer 6

Although this post may be old and already resolved, I came across it while looking for a solution to a similar question. I found an easier way to address the second part of your query: "can I have the sort use a different field." The KendoUI data grid provides a configuration option that allows customization for this purpose.

For instance, if you want to sort a column based on both user name and date, but only by date, you can do so using the following approach:

 gridColumns: [
                { field: 'title', title: 'Title' },
                { field: 'changedByDetail', title: 'Changed',
                    sortable: {
                        compare: function (a, b, desc){
                            if (a.changedDateTime < b.changedDateTime) {
                                return -1;
                            }
                            else if (a.changedDateTime > b.changedDateTime) {
                                return 1;
                            }
                            return 0;
                        }
                    }
                }
            ]

In this scenario, the 'changedDateTime' field contains the datetime values in the datasource. If not, you could utilize a string parsing function to extract the datetime information, convert it to a date format, and then compare the dates accordingly.

I hope this explanation proves helpful to someone!

Answer 7

Answer №4

If you're looking for a way to display time that is both filterable and sortable, here's a solution I've implemented in my KendoUI jquery grid. This method allows you to filter by minutes:

{ field: "CREATEDATE", 
  title: "Date Created",
  format: "{0:dd/MM/yy hh:mm tt}",
  width: "150px",
  template: "#= kendo.toString(kendo.parseDate(CREATEDATE, 'yyyy-MM-dd hh:mm tt'), 'dd/MM/yyyy hh:mm tt') #" },

Answer 8

If you're looking for a way to display time that is both filterable and sortable, here's a solution I've implemented in my KendoUI jquery grid. This method allows you to filter by minutes:

{ field: "CREATEDATE", 
  title: "Date Created",
  format: "{0:dd/MM/yy hh:mm tt}",
  width: "150px",
  template: "#= kendo.toString(kendo.parseDate(CREATEDATE, 'yyyy-MM-dd hh:mm tt'), 'dd/MM/yyyy hh:mm tt') #" },

Organizing Dates in a Kendo Grid: How to Filter and Sort a DateTime Field

Answer №1

Answer №2

Answer №3

Answer №4

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