谁能帮我看下这几个API函数到底是什么意思?
是数据库操作这块的。
1。SQLAllocEnv
2。SQLAllocConnect
3。SQLAllocStmt
4。SQLColAttributesString
5。SQLExecDirect
6。SQLFetch
7。SQLFreeConnect
8。SQLFreeEnv
9。SQLFreeStmt
10。SQLGetData
11.SQLNumResultCols相关API 的定义
1。Public Declare Function SQLAllocEnv Lib "odbc32.dll" (phenv&) As Integer
2。Public Declare Function SQLAllocConnect Lib "odbc32.dll" (ByVal henv&, phdbc&) As Integer
3。Public Declare Function SQLAllocStmt Lib "odbc32.dll" (ByVal hdbc&, phstmt&) As Integer
4。Public Declare Function SQLColAttributesString Lib "odbc32.dll"
Alias "SQLColAttributes" (ByVal hstmt&, ByVal iCol%, ByVal fDescType%, ByVal rgbDesc As String, ByVal cbDescMax%, pcbDesc%, pfDesc&) As Integer5。Public Declare Function SQLExecDirect Lib "odbc32.dll" (ByVal hstmt&, ByVal szSqlStr$, ByVal cbSqlStr&) As Integer
6。Public Declare Function SQLFetch Lib "odbc32.dll" (ByVal hstmt&) As Integer
7。Public Declare Function SQLFreeConnect Lib "odbc32.dll" (ByVal hdbc&) As Integer
8。Public Declare Function SQLFreeEnv Lib "odbc32.dll" (ByVal henv&) As Integer9。Public Declare Function SQLFreeStmt Lib "odbc32.dll" (ByVal hstmt&, ByVal fOption%) As Integer
10。Public Declare Function SQLGetData Lib "odbc32.dll" (ByVal hstmt&, ByVal iCol%, ByVal fCType%, ByVal rgbValue As String, ByVal cbValueMax&, pcbValue&) As Integer11。Public Declare Function SQLNumResultCols Lib "odbc32.dll" (ByVal hstmt&, pccol%) As Integer
是数据库操作这块的。
1。SQLAllocEnv
2。SQLAllocConnect
3。SQLAllocStmt
4。SQLColAttributesString
5。SQLExecDirect
6。SQLFetch
7。SQLFreeConnect
8。SQLFreeEnv
9。SQLFreeStmt
10。SQLGetData
11.SQLNumResultCols相关API 的定义
1。Public Declare Function SQLAllocEnv Lib "odbc32.dll" (phenv&) As Integer
2。Public Declare Function SQLAllocConnect Lib "odbc32.dll" (ByVal henv&, phdbc&) As Integer
3。Public Declare Function SQLAllocStmt Lib "odbc32.dll" (ByVal hdbc&, phstmt&) As Integer
4。Public Declare Function SQLColAttributesString Lib "odbc32.dll"
Alias "SQLColAttributes" (ByVal hstmt&, ByVal iCol%, ByVal fDescType%, ByVal rgbDesc As String, ByVal cbDescMax%, pcbDesc%, pfDesc&) As Integer5。Public Declare Function SQLExecDirect Lib "odbc32.dll" (ByVal hstmt&, ByVal szSqlStr$, ByVal cbSqlStr&) As Integer
6。Public Declare Function SQLFetch Lib "odbc32.dll" (ByVal hstmt&) As Integer
7。Public Declare Function SQLFreeConnect Lib "odbc32.dll" (ByVal hdbc&) As Integer
8。Public Declare Function SQLFreeEnv Lib "odbc32.dll" (ByVal henv&) As Integer9。Public Declare Function SQLFreeStmt Lib "odbc32.dll" (ByVal hstmt&, ByVal fOption%) As Integer
10。Public Declare Function SQLGetData Lib "odbc32.dll" (ByVal hstmt&, ByVal iCol%, ByVal fCType%, ByVal rgbValue As String, ByVal cbValueMax&, pcbValue&) As Integer11。Public Declare Function SQLNumResultCols Lib "odbc32.dll" (ByVal hstmt&, pccol%) As Integer
解决方案 »
- Adodc控件与SQL数据库连接处理查询数据问题
- 1000分求论文 UP给分。:人事管事系统论文。或者学校档案管理系统论文。或者学校学籍管理系统论文。
- 由于大家帮助。我把实验代码公开。其中有各位的一部分。(侵权误怪,它也源于大家)还有各位有好的代码,贴出点为了新手。
- 怎么用for循环来定义数组名有规律变化的数组..
- 我做了个控件,如何更新控件里的数据!
- VB 精确计时类 代码
- 如何将文本转换成数据库?
- 求解!两个进程之间如何实现数据传递(大数据量,并且数据流量是不稳定的!)
- 如何修改对话框???
- 关于表操作
- 散一元留三十块
- 遇到水晶报表在工程组中可以正常运行,生成DLL文件后出错,给高分,明日结贴
第6个是不是查找有没有这样符合条件的记录?
第10个是不是把查找记录的一个记录行提取出来呢?
其他的什么意思?