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 ”