asp.net-core - GetAsync 与 asp.net 核心中的对象参数值

Question

在 TypesScript 中，我有一个接口定义为

export interface ClientReportParm {
 StartDate?: Date;
 EndDate?: Date;
}

我有一个调用定义为的 API 端点的方法

ClientReport(parm: ClientReportParm) {
 this.searchParams = new HttpParams();
 this.searchParams = this.searchParams.append('parm', JSON.stringify(parm));
 return this.http.get('http://localhost:5000/api/service/retclientreport', { params: 
 this.searchParams });
}

在 C# 但是，我需要将上述方法代码转换为 ASP.NET Core 的 C# 等效项。我需要使用的代码行是

http.get(this.baseUrl + 'retclientreport', { params: this.searchParams });

// I have tried to do the following

// This is where I need to pass the stringified json object 
var response = await client.GetAsync('http://localhost:5000/api/service/retclientreport', 
param??); // How do I pass the equivalent json object here???