fix select and input components

FormsTesting/Form1.cs

@@ -28,7 +28,7 @@ namespace FormsTesting
 
 		private void InitializeInputComponent()
 		{
-			InputComponent.IntValue = 1848;
+			InputComponent.IntValue = 1500;
 		}
 
 		private void InitializeGridComponent()

ShabComponentsLibrary/ShabInputComponent.cs

@@ -43,13 +43,9 @@ namespace ShabComponentsLibrary
 			} 
 			set
 			{
-				if (value is null)
+				SetNullState(value is null, true);
+				if (value is not null)
 				{
-					SetNullState(true);
-				}
-				else
-				{
-					SetNullState(false);
 					MainTextBox.Text = value.ToString();
 				}
 			}
@@ -66,16 +62,8 @@ namespace ShabComponentsLibrary
 
 		private void SetNullState(bool IsNull, bool ClearText = false)
 		{
-			if (IsNull)
+			IsNullCheckBox.Checked = IsNull;
-			{
+			MainTextBox.Enabled = !IsNull;
-				IsNullCheckBox.Checked = true;
-				MainTextBox.Enabled = false;
-			}
-			else
-			{
-				IsNullCheckBox.Checked = false;
-				MainTextBox.Enabled = true;
-			}
 
 			if (ClearText)
 			{

ShabComponentsLibrary/ShabListOutputComponent.cs

@@ -95,13 +95,6 @@
 					Grid.Rows[NewRowIndex].Cells[Column.Index].Value = Value;
 				}
 			}
-
-			foreach (DataGridViewColumn Column in Grid.Columns)
-			{
-				var Property = Properties.FirstOrDefault(x => x.Name == Column.Name);
-				if (Property == null)
-					throw new InvalidOperationException($"В типе {Type.Name} не найдено свойство с именем {Column.Name}");
-			}
 		}
 	}
 }