CREATE procedure addUserInfo @username varchar(20),@password varchar(20),@email varchar(30) as
begin
insert into UserInfo(userName,userPass,userEmail) values(@username,@password,@email)
end
GOpublic void addUserInfo(string username,string password,string email)
{
getOpen();
SqlCommand myCmd = new SqlCommand("addUserInfo");
myCmd.CommandType = CommandType.StoredProcedure;
myCmd.Connection = myCon;
myCmd.Parameters.AddWithValue("@username", username);
myCmd.Parameters.AddWithValue("@password", password);
myCmd.Parameters.AddWithValue("@email" ,email);
myCmd.ExecuteNonQuery();
myCmd.Dispose();
}这是我的调用存储过程的函数,感觉好繁琐,而且我有十几个存储过程,难道每个都要写个一调用函数??有没有共性的可以少写几个??
begin
insert into UserInfo(userName,userPass,userEmail) values(@username,@password,@email)
end
GOpublic void addUserInfo(string username,string password,string email)
{
getOpen();
SqlCommand myCmd = new SqlCommand("addUserInfo");
myCmd.CommandType = CommandType.StoredProcedure;
myCmd.Connection = myCon;
myCmd.Parameters.AddWithValue("@username", username);
myCmd.Parameters.AddWithValue("@password", password);
myCmd.Parameters.AddWithValue("@email" ,email);
myCmd.ExecuteNonQuery();
myCmd.Dispose();
}这是我的调用存储过程的函数,感觉好繁琐,而且我有十几个存储过程,难道每个都要写个一调用函数??有没有共性的可以少写几个??
//自己找dbhelper
#region 存储过程操作 /// <summary>
/// 执行存储过程,返回SqlDataReader ( 注意:调用该方法后,一定要对SqlDataReader进行Close )
/// </summary>
/// <param name="storedProcName">存储过程名</param>
/// <param name="parameters">存储过程参数</param>
/// <returns>SqlDataReader</returns>
public static SqlDataReader RunProcedure(string storedProcName, IDataParameter[] parameters)
{
SqlConnection connection = new SqlConnection(connectionString);
SqlDataReader returnReader;
connection.Open();
SqlCommand command = BuildQueryCommand(connection, storedProcName, parameters);
command.CommandType = CommandType.StoredProcedure;
returnReader = command.ExecuteReader(CommandBehavior.CloseConnection);
return returnReader;
}
/// <summary>
/// 执行存储过程
/// </summary>
/// <param name="storedProcName">存储过程名</param>
/// <param name="parameters">存储过程参数</param>
/// <param name="tableName">DataSet结果中的表名</param>
/// <returns>DataSet</returns>
public static DataSet RunProcedure(string storedProcName, IDataParameter[] parameters, string tableName)
{
using (SqlConnection connection = new SqlConnection(connectionString))
{
DataSet dataSet = new DataSet();
connection.Open();
SqlDataAdapter sqlDA = new SqlDataAdapter();
sqlDA.SelectCommand = BuildQueryCommand(connection, storedProcName, parameters);
sqlDA.Fill(dataSet, tableName);
connection.Close();
return dataSet;
}
}
public static DataSet RunProcedure(string storedProcName, IDataParameter[] parameters, string tableName, int Times)
{
using (SqlConnection connection = new SqlConnection(connectionString))
{
DataSet dataSet = new DataSet();
connection.Open();
SqlDataAdapter sqlDA = new SqlDataAdapter();
sqlDA.SelectCommand = BuildQueryCommand(connection, storedProcName, parameters);
sqlDA.SelectCommand.CommandTimeout = Times;
sqlDA.Fill(dataSet, tableName);
connection.Close();
return dataSet;
}
}
/// <summary>
/// 构建 SqlCommand 对象(用来返回一个结果集,而不是一个整数值)
/// </summary>
/// <param name="connection">数据库连接</param>
/// <param name="storedProcName">存储过程名</param>
/// <param name="parameters">存储过程参数</param>
/// <returns>SqlCommand</returns>
private static SqlCommand BuildQueryCommand(SqlConnection connection, string storedProcName, IDataParameter[] parameters)
{
SqlCommand command = new SqlCommand(storedProcName, connection);
command.CommandType = CommandType.StoredProcedure;
foreach (SqlParameter parameter in parameters)
{
if (parameter != null)
{
// 检查未分配值的输出参数,将其分配以DBNull.Value.
if ((parameter.Direction == ParameterDirection.InputOutput || parameter.Direction == ParameterDirection.Input) &&
(parameter.Value == null))
{
parameter.Value = DBNull.Value;
}
command.Parameters.Add(parameter);
}
} return command;
} /// <summary>
/// 执行存储过程,返回影响的行数
/// </summary>
/// <param name="storedProcName">存储过程名</param>
/// <param name="parameters">存储过程参数</param>
/// <param name="rowsAffected">影响的行数</param>
/// <returns></returns>
public static int RunProcedure(string storedProcName, IDataParameter[] parameters, out int rowsAffected)
{
using (SqlConnection connection = new SqlConnection(connectionString))
{
int result;
connection.Open();
SqlCommand command = BuildIntCommand(connection, storedProcName, parameters);
rowsAffected = command.ExecuteNonQuery();
result = (int)command.Parameters["ReturnValue"].Value;
//Connection.Close();
return result;
}
} /// <summary>
/// 创建 SqlCommand 对象实例(用来返回一个整数值)
/// </summary>
/// <param name="storedProcName">存储过程名</param>
/// <param name="parameters">存储过程参数</param>
/// <returns>SqlCommand 对象实例</returns>
private static SqlCommand BuildIntCommand(SqlConnection connection, string storedProcName, IDataParameter[] parameters)
{
SqlCommand command = BuildQueryCommand(connection, storedProcName, parameters);
command.Parameters.Add(new SqlParameter("ReturnValue",
SqlDbType.Int, 4, ParameterDirection.ReturnValue,
false, 0, 0, string.Empty, DataRowVersion.Default, null));
return command;
}
#endregion
CREATE procedure UserInfo_Handle
@UserID int,
@username varchar(20),
@password varchar(20),
@email varchar(30),
@type int -- 0 新增,1修改,2查询
as
begin
if @type =0
begin
insert into UserInfo(userName,userPass,userEmail) values(@username,@password,@email)
end
if @type=1
begin
Update UserInfo set …………………… where UserID=@UserID
end
if @type=3
begin
select * from UserInfo where UserID=@UserID
end
end GO
public string getValue(ArrayList ParamList, string ProcedureName)
{
getOpen();
SqlCommand myCmd = new SqlCommand();
myCmd.Connection = myCon;
myCmd.CommandText = ProcedureName;
myCmd.CommandType = CommandType.StoredProcedure;
for (int i = 0; i < ParamList.Count; i++)
{
myCmd.Parameters.AddWithValue(???,ParamList[i].ToString());
}
myCmd.ExecuteNonQuery();
是这样吗??那myCmd.Parameters.AddWithValue的第一个参数怎么填?
直接将参数值转为字符串
exec addUserInfo @username,@password,@email
中,客户端的参数先统一直接改为字符串
string sql="exec addUserInfo '"+@username+"','"+@password+"','"+@email+"'";
再写一函数专门执行sql字符串即可.