added HttpPUT, HttpPOST & HttpDelete requests

Controllers/ValuesController.cs

@@ -1,4 +1,5 @@
 using System.Collections.Generic;
+using System.Linq;
 using System.Threading.Tasks;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.EntityFrameworkCore;
@@ -36,5 +37,63 @@ namespace TestApplication.Controllers
                 return NotFound();
             }
         }
+
+        [HttpPost]
+        public async Task<ActionResult<Values>> Post_Values(Values values)
+        {
+            _context.Values.Add(values);
+            await _context.SaveChangesAsync();
+
+            return CreatedAtAction("GetValues", new { id = values.Id }, values);
+        }
+
+        [HttpDelete("{id}")]
+        public async Task<ActionResult<Values>> Delete_values(int id)
+        {
+            var values = await _context.Values.FindAsync(id);
+            if (values == null)
+            {
+                return NotFound();
+            }
+
+            _context.Values.Remove(values);
+            await _context.SaveChangesAsync();
+
+            return values;
+        }
+
+        [HttpPut("{id}")]
+        public async Task<IActionResult> Put_Values(int id, Values values)
+        {
+            if (id != values.Id)
+            {
+                return BadRequest();
+            }
+
+            _context.Entry(values).State = EntityState.Modified;
+
+            try
+            {
+                await _context.SaveChangesAsync();
+            }
+            catch (DbUpdateConcurrencyException)
+            {
+                if (!ValuesExists(id))
+                {
+                    return NotFound();
+                }
+                else
+                {
+                    throw;
+                }
+            }
+
+            return NoContent();
+        }
+
+        private bool ValuesExists(int id)
+        {
+            return _context.Values.Any(e => e.Id == id);
+        }
     }
 }