将DataTable作为存储过程参数的用法实例详解

IF NOT EXISTS(SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID('Users') AND OBJECTPROPERTY(id, N'IsUserTable') = 1)
BEGIN
CREATE TABLE dbo.Users
(
UserID INT IDENTITY(-1, -1) NOT NULL,
UserName VARCHAR(20) NOT NULL,
UserPass VARCHAR(20) NOT NULL,
Sex BIT NULL,
Age SMALLINT NULL,
CONSTRAINT PK_Users_UserID PRIMARY KEY(UserID)
)
END
IF NOT EXISTS(SELECT * FROM sys.table_types WHERE name = 'UserTable' AND is_user_defined = 1)
BEGIN
CREATE TYPE UserTable AS TABLE
(
UserName VARCHAR(20) NOT NULL,
UserPass VARCHAR(20) NOT NULL,
Sex BIT NULL,
Age SMALLINT NULL
)
END
GO

IF EXISTS(SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID('sp_InsertSingleUser') AND OBJECTPROPERTY(id, N'IsProcedure') = 1)
BEGIN
DROP PROCEDURE dbo.sp_InsertSingleUser
END
GO
CREATE PROCEDURE dbo.sp_InsertSingleUser
(
@User UserTable READONLY
)
AS
SET XACT_ABORT ON
BEGIN TRANSACTION
INSERT INTO dbo.Users(UserName, UserPass, Sex, Age)
SELECT UserName, UserPass, Sex, Age FROM @User
COMMIT TRANSACTION
SET XACT_ABORT OFF
GO

public void fnInsertSingleUser(DataTable v_dt)
{
try
{
SqlConnection cn = new SqlConnection(CONN);
SqlCommand cmd = cn.CreateCommand();
cmd.CommandType = CommandType.StoredProcedure;
cmd.CommandText = @"sp_InsertSingleUser";
SqlParameter p = cmd.Parameters.AddWithValue("@User", v_dt);
10
DataSet ds = new DataSet();
SqlDataAdapter da = new SqlDataAdapter(cmd);
da.Fill(ds);
}
catch (Exception ex)
{
throw ex;
}
}