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The author:(作者)归海一刀
published in(发表于) 2014/2/1 0:09:05
.Net下调用SqlServer存储过程_[SQL,Server教程]

.Net下调用SqlServer存储过程_[SQL Server教程]

首先,在SqlServer中创建存储过程,在调用时分为有参数和没有参数两种情况,先就简单的没有参数的情况简要的介绍:


  假设存储过程如下: CREATE PROC SelectAll


  AS


  SELECT * FROM StudentInf


  则此sp的调用如下:


  SqlCommand selectCMD = new SqlCommand(“SelectAll”, conn);


  //conn 为SqlConnection


  selectCMD.CommandType = CommandType.StoredProcedure;


  如果需要将结果集加到某个DataAdapter上,则可如下:


  SqlDataAdapter stuDA = new SqlDataAdapter();


  stuDa.SelectCommand = selectCMD;


  如果有参数:create proc andSelect


  @StudentId varchar(10),


  @StudentName varchar(10),


  As


  Select * from StudentInf where StudentId = @StudentId and StudentName = @StudentName


  则参数可以如下添加:


  selectCMD.Parameters.Add(“@StudentId”, SqlDbType.NVarChar, 10);


  selectCMD.Parameters.Add(“@StudentName”, SqlDbType.NvarChar, 10);


  如果只有一个参数,也可以这样赋值:


  SqlParameters onePara = selectCMD.Parameters.Add(“@StudentId”, SqlDbType.NVarChar, 10);


  onePara.Value = “ a string ”







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