asp.net实现调用存储过程并带返回值的方法

本文实例讲述了asp.net实现调用存储过程并带返回值的方法。分享给大家供大家参考，具体如下：

/// 

/// Database 的摘要说明
/// 
public class Database
{
    /// 

    ///Database 的摘要说明
    /// 
    protected static SqlConnection baseSqlConnection = new SqlConnection();//连接对象
    protected SqlCommand baseSqlCommand = new SqlCommand(); //命令对象
    public Database()
    {
      //
      // TODO: 在此处添加构造函数逻辑
      //
    }
    protected void OpenConnection()
    {
      if (baseSqlConnection.State == ConnectionState.Closed) //连接是否关闭
 try
 {
   baseSqlConnection.ConnectionString = ConfigurationManager.ConnectionStrings["productsunion"].ToString();
   baseSqlCommand.Connection = baseSqlConnection;
   baseSqlConnection.Open();
 }
 catch (Exception ex)
 {
   throw new Exception(ex.Message);
 }
    }
    public void CloseConnection()
    {
      if (baseSqlConnection.State == ConnectionState.Open)
      {
 baseSqlConnection.Close();
 baseSqlConnection.Dispose();
 baseSqlCommand.Dispose();
      }
    }
    public bool Proc_Return_Int(string proc_name, params SqlParameter[] cmdParms)
    {
      try
      {
 OpenConnection();
 if (cmdParms != null)
 {
   foreach (SqlParameter parameter in cmdParms)
   {
     if ((parameter.Direction == ParameterDirection.InputOutput || parameter.Direction == ParameterDirection.Input) &&
(parameter.Value == null))
     {
parameter.Value = DBNull.Value;
     }
     baseSqlCommand.Parameters.Add(parameter);
   }
   baseSqlCommand.CommandType = CommandType.StoredProcedure;
   baseSqlCommand.CommandText = proc_name;
   baseSqlCommand.ExecuteNonQuery();
   if (baseSqlCommand.Parameters["Return"].Value.ToString()== "0")
   {
     return true;
   }
   else
   {
     return false;
   }
 }
 else
 {
   return false;
 }
      }
      catch
      {
 return false;
      }
      finally
      {
 baseSqlCommand.Parameters.Clear();
 CloseConnection();
      }
    }
}

加入了一个组合类

public class SqlModel:ISqlModel
{
  #region ISqlModel 成员
  public bool Proc_Return_Int(string proc_name, string[,] sArray)
  {
    try
    {
      if (sArray.GetLength(0) >= 1)
      {
 Database db = new Database();
 SqlParameter[] sqlpar = new SqlParameter[sArray.GetLength(0)+1];//加入返回值
 for (int i = 0; i < sArray.GetLength(0); i++)
 {
   sqlpar[i] = new SqlParameter(sArray[i,0], sArray[i,1]);
 }
 sqlpar[sArray.GetLength(0)] = new SqlParameter("Return", SqlDbType.Int);
 sqlpar[sArray.GetLength(0)].Direction = ParameterDirection.ReturnValue;
 if (db.Proc_Return_Int(proc_name, sqlpar))
 {
   return true;
 }
 else
 {
   return false;
 }
      }
      else
      {
 return false;
      }
    }
    catch
    {
      return false;
    }
  }
  #endregion
}

前台调用

string[,] sArray = new string[3,2];
sArray[0,0]="@parent_id";
sArray[1,0]="@cn_name";
sArray[2,0]="@en_name";
sArray[0,1]="5";
sArray[1,1]="aaaab";
sArray[2,1]="cccccc";
Factory.SqlModel sm = new Factory.SqlModel();
sm.Proc_Return_Int("Product_Category_Insert", sArray);

存储过程内容

ALTER PROCEDURE [dbo].[Product_Category_Insert]
  @parent_id int,
  @cn_Name nvarchar(50),
  @en_Name nvarchar(50)
AS
BEGIN
  SET NOCOUNT ON;
  DECLARE @ERR int
  SET @ERR=0
  BEGIN TRAN
  IF @parent_id<0 OR ISNULL(@cn_Name,'')=''
    BEGIN
      SET @ERR=1
      GOTO theEnd
    END
  IF(NOT EXISTS(SELECt Id FROM Product_Category WHERe Id=@parent_id))
    BEGIN
      SET @ERR=2
      GOTO theEnd
    END
  DECLARE @Id int,@Depth int,@ordering int
  SELECt @Id=ISNULL(MAX(Id)+1,1) FROM Product_Category--计算@Id
  IF @Parent_Id=0
    BEGIN
      SET @Depth=1--计算@Depth
      SELECt @Ordering=ISNULL(MAX(Ordering)+1,1) FROM Product_Category--计算@OrderId
    END
  ELSE
    BEGIN
      SELECt @Depth=Depth+1 FROM Product_Category WHERe Id=@Parent_Id--计算@Depth,计算@Ordering时需要用到
      SELECt @Ordering=MAX(Ordering)+1 FROM Product_Category--计算@Ordering
 WHERe Id=@Parent_Id
      UPDATE Product_Category SET Ordering=Ordering+1 WHERe Ordering>=@Ordering--向后移动插入位置后面的所有节点
    END
  INSERT INTO Product_Category(Id,Parent_Id,cn_Name,en_name,Depth,Ordering) VALUES (@Id,@Parent_Id,@cn_Name,@en_name,@Depth,@Ordering)
  IF @@ERROR<>0
    SET @ERR=-1
  theEnd:
  IF @ERR=0
    BEGIN
    COMMIT TRAN
    RETURN 0
    END
  ELSE
    BEGIN
    ROLLBACK TRAN
    RETURN @ERR
    END
END

希望本文所述对大家asp.net程序设计有所帮助。