C# Compiler Errors and Warnings
This section contains C# compiler errors listed numerically. All C# compiler errors have corresponding topics that explain why an error is generated, and in some cases, how to fix the error. To get Help on a particular error message, try one of the following:
Click the error number in the Output Window, and press F1.
Type the error number in the Look for box in the Index.
Type the error number in the Search page.
Locate the error in the Contents list.
Note
The dialog boxes and menu commands you see might differ from those described in Help depending on your active settings or edition. To change your settings, choose Import and Export Settings on the Tools menu. For more information, see Visual Studio Settings.
Compiler Warning (level 1) CS0183
Compiler Warning (level 1) CS0184
Compiler Warning (level 1) CS0197
Compiler Warning (level 1) CS0420
Compiler Warning (level 1) CS0465
Compiler Warning (level 1) CS0602
Compiler Warning (level 1) CS0612
Compiler Warning (level 1) CS0626
Compiler Warning (level 1) CS0657
Compiler Warning (level 1) CS0658
Compiler Warning (level 1) CS0672
Compiler Warning (level 1) CS0684
Compiler Warning (level 1) CS0688
Compiler Warning (level 1) CS0809
Compiler Warning (level 1) CS0824
Compiler Warning (level 1) CS1030
Compiler Warning (level 1) CS1058
Compiler Warning (level 1) CS1060
Compiler Warning (level 1) CS1200
Compiler Warning (level 1) CS1201
Compiler Warning (level 1) CS1202
Compiler Warning (level 1) CS1203
Compiler Warning (level 1) CS1522
Compiler Warning (level 1) CS1570
Compiler Warning (level 1) CS1574
Compiler Warning (level 1) CS1580
Compiler Warning (level 1) CS1581
Compiler Warning (level 1) CS1584
Compiler Warning (level 1) CS1589
Compiler Warning (level 1) CS1590
Compiler Warning (level 1) CS1592
Compiler Warning (level 1) CS1598
Compiler Warning (level 1) CS1607
Compiler Warning (level 1) CS1616
Compiler Warning (level 1) CS1633
Compiler Warning (level 1) CS1634
Compiler Warning (level 1) CS1635
Compiler Warning (level 1) CS1645
Compiler Warning (level 1) CS1658
Compiler Warning (level 1) CS1682
Compiler Warning (level 1) CS1683
Compiler Warning (level 1) CS1684
Compiler Warning (level 1) CS1685
Compiler Warning (level 1) CS1687
Compiler Warning (Level 1) CS1690
Compiler Warning (level 1) CS1691
Compiler Warning (level 1) CS1692
Compiler Warning (level 1) CS1694
Compiler Warning (level 1) CS1695
Compiler Warning (level 1) CS1696
Compiler Warning (level 1) CS1697
Compiler Warning (level 1) CS1699
Compiler Warning (level 1) CS1707
Compiler Warning (level 1) CS1709
Compiler Warning (level 1) CS1720
Compiler Warning (level 1) CS1723
Compiler Warning (level 1) CS1911
Compiler Warning (Level 1) CS1956
Compiler Warning (Level 1) CS1957
Compiler Warning (level 1) CS2002
Compiler Warning (level 1) CS2014
Compiler Warning (level 1) CS2023
Compiler Warning (level 1) CS2029
Compiler Warning (level 1) CS3000
Compiler Warning (level 1) CS3001
Compiler Warning (level 1) CS3002
Compiler Warning (level 1) CS3003
Compiler Warning (level 1) CS3004
Compiler Warning (level 1) CS3005
Compiler Warning (level 1) CS3006
Compiler Warning (level 1) CS3007
Compiler Warning (level 1) CS3008
Compiler Warning (level 1) CS3009
Compiler Warning (level 1) CS3010
Compiler Warning (level 1) CS3011
Compiler Warning (level 1) CS3012
Compiler Warning (level 1) CS3013
Compiler Warning (level 1) CS3014
Compiler Warning (level 1) CS3015
Compiler Warning (level 1) CS3016
Compiler Warning (level 1) CS3017
Compiler Warning (level 1) CS3018
Compiler Warning (level 1) CS3022
Compiler Warning (level 1) CS3023
Compiler Warning (level 1) CS3026
Compiler Warning (level 1) CS3027
Compiler Warning (level 1) CS5000
Compiler Warning (level 2) CS0108
Compiler Warning (level 2) CS0114
Compiler Warning (level 2) CS0162
Compiler Warning (level 2) CS0164
Compiler Warning (level 2) CS0251
Compiler Warning (level 2) CS0252
Compiler Warning (level 2) CS0253
Compiler Warning (level 2) CS0278
Compiler Warning (level 2) CS0279
Compiler Warning (level 2) CS0280
Compiler Warning (level 2) CS0435
Compiler Warning (level 2) CS0436
Compiler Warning (level 2) CS0437
Compiler Warning (level 2) CS0440
Compiler Warning (level 2) CS0444
Compiler Warning (level 2) CS0458
Compiler Warning (level 2) CS0464
Compiler Warning (level 2) CS0467
Compiler Warning (level 2) CS0469
Compiler Warning (level 2) CS0472
Compiler Warning (level 2) CS0618
Compiler Warning (level 2) CS0652
Compiler Warning (level 2) CS0728
Compiler Warning (level 2) CS1571
Compiler Warning (level 2) CS1572
Compiler Warning (level 2) CS1587
Compiler Warning (level 2) CS1668
Compiler Warning (level 2) CS1698
Compiler Warning (level 2) CS1701
Compiler Warning (level 2) CS1710
Compiler Warning (level 2) CS1711
Compiler Warning (Level 2) CS1927
Compiler Warning (level 2) CS3019
Compiler Warning (level 2) CS3021
Compiler Warning (level 3) CS0067
Compiler Warning (level 3) CS0105
Compiler Warning (level 3) CS0168
Compiler Warning (level 3) CS0169
Compiler Warning (level 3) CS0219
Compiler Warning (level 3) CS0282
Compiler Warning (level 3) CS0414
Compiler Warning (level 3) CS0419
Compiler Warning (level 3) CS0642
Compiler Warning (level 3) CS0659
Compiler Warning (level 3) CS0660
Compiler Warning (level 3) CS0661
Compiler Warning (level 3) CS0665
Compiler Warning (level 3) CS0675
Compiler Warning (level 3) CS0693
Compiler Warning (level 3) CS1700
Compiler Warning (level 3) CS1702
Compiler Warning (level 3) CS1717
Compiler Warning (level 3) CS1718
Compiler Warning (level 4) CS0028
Compiler Warning (level 4) CS0078
Compiler Warning (level 4) CS0109
Compiler Warning (level 4) CS0402
Compiler Warning (level 4) CS0422
Compiler Warning (level 4) CS0429
Compiler Warning (level 4) CS0628
Compiler Warning (level 4) CS0649
Compiler Warning (level 4) CS1573
Compiler Warning (level 4) CS1591
Compiler Warning (level 4) CS1610
Compiler Warning (level 4) CS1712
See Also
Tasks
How to: Enable or Disable Compiler Warnings