if statement with multiple text conditions

Article Introduction: As we all know, different browsers (whether it is a modern browser or an old version of IE browser) on the Web page parsing is not the same, in order to make the Web page in these browsers to achieve the basic consistency of

3. Conditional statementsIt is often necessary to run different code based on different situations.You may want to run an extra piece of code when the error occurs, or output it when a value becomes too high or too low. To implement these

1. Simple Query　　A simple Transact-SQL query only includes the select list, from clause, and where clause. They indicate the queried columns, the queried tables or views, and the search conditions.　　For example, the following statement queries the

First, Introduction Python's conditions and looping statements determine the program's control flow and reflect the diversity of the structure. It is important to understand if, while, for, and the else, elif, break, continue, and pass statements

This section is from the fourth edition of the Python Learning Manual, Part IIII. Introduction to the Python Statement (chapter 10th)1, first remember a concept: A, the program is composed of modules; B, the module contains the statement; C, the

The following statements in the complete SQL operation are Mssql statements and cannot be used in access. The following statements in the complete SQL operation are Mssql statements and cannot be used in access. SQL classification: DDL-Data

SQL classification:DDL-Data Definition Language (CREATE, ALTER, DROP, DECLARE)DML-data manipulation language (SELECT, DELETE, UPDATE, INSERT)DCL-Data Control Language (GRANT, REVOKE, COMMIT, ROLLBACK)First, we will briefly introduce the basic

MS SQL Server Query optimization methodThere are many reasons for the slow speed of queries, which are common1, no indexes, or no indexes (this is the most common problem with query slowness, is the flaw in programming)2, I/o throughput is small,

// Name field corresponding to textbox1// The password field corresponding to textbox2Using system;Using system. Collections. Generic;Using system. componentmodel;Using system. Data;Using system. drawing;Using system. text;Using system. Windows.

4-Statement This overview is taken from jdbctm database access from javatm: a tutorial and annotated reference. Javasoft is currently preparing this book. This is a tutorial and an important reference manual for JDBC, which will be published by