Index[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Z] ! (NOT) operators & (AND) operators && (AND) operators 2D arrays Jagged arrays, mixing with sample of 3D arrays 4D arrays <connectionStrings> element (Web.config files) 2nd Profile providers, creating 2nd Role provider, configuring 2nd <machineKey> elements 2nd <membership> 2nd <roleManager> element (Web.config files), configuring Role provider 2nd = (single equals) operators == (double-equals) operators ^ (XOR) operators {0} placeholders {} (braces) | (OR) operators || (OR) operators |