.Net下调用SqlServer2k存储过程

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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