Case Resolve using custom button / custom code / Web API / workflow in ms crm

https://www.powerobjects.com/blog/2012/02/02/use-a-dialog-process-in-microsoft-dynamics-crm-to-replace-the-case-resolution-form/

https://crmtipoftheday.com/174/replace-standard-system-dialogs/

function Case_Resolve()

{   

//debugger;

try

{

var Case_id = Xrm.Page.data.entity.getId();

Case_id = Case_id.replace("}", "").replace("{", "");

var incidentresolution = {

"subject": "comments",           // any comments

"incidentid@odata.bind": "/incidents("+ Case_id +")",//Id of incident

"timespent": 60,//This is billable time in minutes

"description": "RemarkComments"              //Remarks

};

 

var parameters = {

"IncidentResolution": incidentresolution,

"Status": -1

};

 

var context;  

if (typeof GetGlobalContext === "function") {

context = GetGlobalContext();

} else {

context = Xrm.Page.context;

}  

var req = new XMLHttpRequest();

req.open("POST", context.getClientUrl() + "/api/data/v8.2/CloseIncident", true);

req.setRequestHeader("OData-MaxVersion", "4.0");

req.setRequestHeader("OData-Version", "4.0");

req.setRequestHeader("Accept", "application/json");

req.setRequestHeader("Content-Type", "application/json; charset=utf-8");

req.onreadystatechange = function () {

if (this.readyState === 4) {

req.onreadystatechange = null;

if (this.status === 204) {

alert("Resolve Successfully");

Xrm.Page.data.refresh();

RefreshPage();

//Success - No Return Data - Do Something

} else {

var errorText = this.responseText;

alert(errorText);

//Error and errorText variable contains an error - do something with it

}

}

};

req.send(JSON.stringify(parameters));

}

catch(Error)

{

alert(Error.message);

}

}

function RefreshPage(){

   setTimeout(function () { 

Xrm.Utility.openEntityForm(Xrm.Page.data.entity.getEntityName(), Xrm.Page.data.entity.getId()); 

}, 2000);

}