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Uncaught TypeError: e.slice is not a function

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Ryan
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Ryan asked on 21 May 2020, 10:38 AM

Hi All,

I'm getting error "Uncaught TypeError: e.slice is not a function" on my Grid.

 

$("#gridGroupUser").kendoGrid({
     dataSource: {
         transport: {
             read: {
                 url: "https://...",
                 dataType: "json",
             }
         },
     },
     schema: {
         // The data to which the DataSource will be bound is in the "list" field of the response.
         data: "results"
     },
     height: 370,
     groupable: false,
     sortable: true,
     columns: [{
         selectable: true,
         width: 33
     }, {
         template: "<div class='user-email'><span class='k-icon k-i-user'></span> #: email #</div>",
         field: "email",
         title: "Email",
         width: 200
     }, {
         field: "firstName",
         title: "First Name",
         width: 100
     }, {
         field: "lastName",
         title: "Last Name",
         width: 100
     }, {
         field: "status",
         width: 100
     }]
 });

 

Data:

{"results":[{"userNumber":1087,"userId":"1087@noemail.com","email":"1087@noemail.com","firstName":"F1087","lastName":"L1087","status":"ACTIVE (LOCKED)","notes":"User has exceeded allowed number of failed logins (5 times). ","userType":"REGULAR USER","lastLoginDate":"2018-02-14T21:55:34.543","failedLogin":99,"expiredDate":null,"sponsorId":29,"sponsorNo":29,"sponsorCode":"scode1","sponsorName":"Sponsor1","acctMgr":"myemail1.com","acctMgrEmail":"manageremail.com","licenseCount":null,"cutoffDate":null,"lastPaymentDate":null,"billingCycle":null},{"userNumber":1594,"userId":"1594@noemail.com","email":"1594@noemail.com","firstName":"F1594","lastName":"L1594","status":"DEACTIVATED","notes":null,"userType":"REGULAR USER","lastLoginDate":"2014-06-20T15:50:30.107","failedLogin":99,"expiredDate":null,"sponsorId":29,"sponsorNo":29,"sponsorCode":"scode1","sponsorName":"Sponsor1","acctMgr":"myemail1.com","acctMgrEmail":"manageremail.com","licenseCount":null,"cutoffDate":null,"lastPaymentDate":null,"billingCycle":null}]}

 

Any idea why I'm getting this error?

Thanks!

Ryan

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Silviya Stoyanova
Telerik team
answered on 26 May 2020, 08:08 AM

Hello Ryan,

Thank you for the provided code snippet!

I examined it and I have noticed that the schema configuration is placed outside the Datasource settings. You need to move it after the transport property.

I would also suggest adding a model into the schema, which ensures the correct adding, editing, and deleting of items.

You could also find helpful the following forum thread:

 

I hope that you will find the provided information helpful.

Kind Regards,
Silviya Stoyanova
Progress Telerik

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