SqlDataSourceCommandType 枚举

定义

描述 SQL 命令的类型,执行数据库操作时,SqlDataSource 控件和 AccessDataSource 控件将使用此 SQL 命令。Describes the type of SQL command used by the SqlDataSource and AccessDataSource controls when performing a database operation.

public enum class SqlDataSourceCommandType
public enum SqlDataSourceCommandType
type SqlDataSourceCommandType = 
Public Enum SqlDataSourceCommandType
继承
SqlDataSourceCommandType

字段

StoredProcedure 1

相应的文本属性中包含的文本为存储过程的名称。The text contained in a corresponding text property is the name of a stored procedure.

Text 0

相应的文本属性中包含的文本为 SQL 查询或命令。The text contained in a corresponding text property is a SQL query or command.

示例

下面的代码示例演示如何将SelectCommand文本设置为存储过程的名称SelectCommandType , 并将属性设置为 StoredProcedure 值以从 Microsoft SQL Server 数据库中检索数据DropDownList并将其显示在中。The following code example demonstrates how to set the SelectCommand text to the name of a stored procedure and the SelectCommandType property to the StoredProcedure value to retrieve data from a Microsoft SQL Server database and display it in a DropDownList.

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" >
    <head runat="server">
    <title>ASP.NET Example</title>
</head>
<body>
        <form id="form1" runat="server">

            <asp:DropDownList
                id="DropDownList1"
                runat="server"
                DataTextField="LastName"
                DataSourceID="SqlDataSource1" />

            <asp:SqlDataSource
                id="SqlDataSource1"
                runat="server"
                ConnectionString="<%$ ConnectionStrings:MyNorthwind%>"
                SelectCommandType="StoredProcedure"                
                SelectCommand="sp_lastnames">
            </asp:SqlDataSource>

            <!--
                The sp_lastnames stored procedure is
                CREATE PROCEDURE sp_lastnames AS
                   SELECT LastName FROM Employees
                GO
            -->

        </form>
    </body>
</html>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" >
    <head runat="server">
    <title>ASP.NET Example</title>
</head>
<body>
        <form id="form1" runat="server">

            <asp:DropDownList
                id="DropDownList1"
                runat="server"
                DataTextField="LastName"
                DataSourceID="SqlDataSource1" />

            <asp:SqlDataSource
                id="SqlDataSource1"
                runat="server"
                ConnectionString="<%$ ConnectionStrings:MyNorthwind%>"
                SelectCommandType = "StoredProcedure"
                SelectCommand="sp_lastnames">
            </asp:SqlDataSource>

            <!--
                The sp_lastnames stored procedure is
                CREATE PROCEDURE sp_lastnames AS
                   SELECT LastName FROM Employees
                GO
            -->

        </form>
    </body>
</html>

注解

SqlDataSource SelectCommandSqlDataSourceCommandType 控件使用InsertCommand枚举来描述、 UpdateCommand、和属性中包含的SQL命令的类型。DeleteCommand AccessDataSourceThe SqlDataSourceCommandType enumeration is used by the SqlDataSource and AccessDataSource controls to describe the type of SQL command contained in the SelectCommand, InsertCommand, UpdateCommand, and DeleteCommand properties. 文本值指示该文本是一个 SQL 查询或命令字符串, 而 StoredProcedure 值指示该文本是一个存储过程的名称。The Text value indicates that the text is a SQL query or command string while the StoredProcedure value indicates that the text is the name of a stored procedure.

适用于

另请参阅