using System; using System.Data.SqlClient; using System.Data; namespace DataAccess { /// <summary> /// It is used to asscess database /// </summary> public class Database:IDisposable { /// <summary> /// It's store the error message /// </summary> string _errorMessage; /// <summary> ///It's store the Exception /// </summary> System.Exception _exception; /// <summary> /// It is ed run state. /// </summary> int result; /// <summary> /// store Connection String /// </summary> //string _connectionString; SqlConnection myConnection; SqlCommand myCommand; string _ConfigurationConnectionString=null; #region IDisposable 成员 public void Dispose() { if(this.myConnection==null) myConnection.Dispose(); else myConnection=null; System.GC.SuppressFinalize(this); } #endregion /// <summary> /// get or set Exception as string . /// </summary> /// public string ErrorMessage { get{ return _errorMessage;} set{ _errorMessage=value;} } public int Result { get{return result;} } /// <summary> /// get or set Exception. /// </summary> public Exception Exception { get{return _exception;} set{_exception=value;} } /// <summary> /// Set ConnectionString where in Web.Config /// </summary> public string ConfigurationConnectionString { get{return this._ConfigurationConnectionString;} set{this._ConfigurationConnectionString=value;} } /// <summary> /// get Connetion string from web.Config.if you hava not set the ConfigurationConnection. /// it will get AppSettings by connectionString,if you want set the ConnectionString you /// can use it. /// </summary> private string ConnectionString { get{ if(this._ConfigurationConnectionString==null) { return (string)System.Configuration.ConfigurationSettings.AppSettings["connectionString"]; } else { return (string)this._ConfigurationConnectionString; }
using System.Data.SqlClient;
using System.Data;
namespace DataAccess
{
/// <summary>
/// It is used to asscess database
/// </summary>
public class Database:IDisposable
{
/// <summary>
/// It's store the error message
/// </summary>
string _errorMessage;
/// <summary>
///It's store the Exception
/// </summary>
System.Exception _exception;
/// <summary>
/// It is ed run state.
/// </summary>
int result;
/// <summary>
/// store Connection String
/// </summary>
//string _connectionString; SqlConnection myConnection; SqlCommand myCommand; string _ConfigurationConnectionString=null;
#region IDisposable 成员 public void Dispose()
{
if(this.myConnection==null)
myConnection.Dispose();
else
myConnection=null;
System.GC.SuppressFinalize(this); } #endregion
/// <summary>
/// get or set Exception as string .
/// </summary>
///
public string ErrorMessage
{
get{ return _errorMessage;}
set{ _errorMessage=value;}
}
public int Result
{
get{return result;}
} /// <summary>
/// get or set Exception.
/// </summary>
public Exception Exception
{
get{return _exception;}
set{_exception=value;} }
/// <summary>
/// Set ConnectionString where in Web.Config
/// </summary>
public string ConfigurationConnectionString
{
get{return this._ConfigurationConnectionString;}
set{this._ConfigurationConnectionString=value;}
} /// <summary>
/// get Connetion string from web.Config.if you hava not set the ConfigurationConnection.
/// it will get AppSettings by connectionString,if you want set the ConnectionString you
/// can use it.
/// </summary>
private string ConnectionString
{
get{
if(this._ConfigurationConnectionString==null)
{
return (string)System.Configuration.ConfigurationSettings.AppSettings["connectionString"];
}
else
{
return (string)this._ConfigurationConnectionString; }
} }
/// <summary>
/// Create OutPut SqlParameter.
/// </summary>
/// <param name="_name">Parameter's Name</param>
/// <param name="_value">Parameter's Value</param>
/// <returns></returns>
public SqlParameter MakeParameter(string _name,object _value)
{
SqlParameter myParameter=new SqlParameter(_name,_value);
myParameter.Direction=ParameterDirection.Input;
return myParameter;
}
/// <summary>
///
/// </summary>
/// <param name="_name"></param>
/// <param name="_value"></param>
/// <param name="_direction"></param>
/// <returns></returns>
public SqlParameter MakeParameter(string _name,object _value,ParameterDirection _direction)
{
SqlParameter myParameter=new SqlParameter(_name,_value);
myParameter.Direction=_direction;
return myParameter;
}
/// <summary>
/// The Procedure which have no parameter and
/// return scalar.
/// </summary>
/// <param name="_procedureName"></param>
/// <returns></returns>
public void RunProcedure(string _procedureName)
{
try
{
myConnection=new SqlConnection(this.ConnectionString);
myCommand=new SqlCommand(_procedureName,myConnection);
myCommand.CommandType=CommandType.StoredProcedure;
myConnection.Open();
//this.result=myCommand.ExecuteNonQuery();
myCommand.ExecuteReader(System.Data.CommandBehavior.CloseConnection);
}
catch(Exception myEx)
{
this.ErrorMessage=myEx.Message;
this.Exception=myEx;
this.result =-1;
}
finally
{
myConnection.Close();
} } /// <summary>
/// The Procedure which have none parameter and return SqlDataReader.
/// </summary>
/// <param name="_procedureName"></param>
/// <returns></returns>
public void RunProcedure(string _procedureName, ref SqlDataReader _datareader)
{
try
{
myConnection=new SqlConnection(this.ConnectionString);
myCommand=new SqlCommand(_procedureName,myConnection);
myCommand.CommandType=CommandType.StoredProcedure;
myConnection.Open();
_datareader=myCommand.ExecuteReader(System.Data.CommandBehavior.CloseConnection);
}
catch(Exception myEx)
{
this.ErrorMessage=myEx.Message;
this.Exception=myEx;
this.result=-1;
}
}
/// <summary>
/// The Procedure which have none parameter and return DataSet.
/// </summary>
/// <param name="_procedureName"></param>
public void RunProcedure(string _procedureName,ref DataSet _dataset)
{
try{
myConnection=new SqlConnection(this.ConnectionString);
myCommand=new SqlCommand(_procedureName,myConnection);
myCommand.CommandType=CommandType.StoredProcedure;
myConnection.Open();
SqlDataAdapter myAdapter=new SqlDataAdapter(myCommand);
myAdapter.Fill(_dataset);
}
catch(Exception myEx)
{
this.ErrorMessage=myEx.Message;
this.Exception=myEx;
result=-1;
}
}
/// <summary>
/// The Procedure which has Parameter's Array and return SqlDataReader.
/// </summary>
/// <param name="_procedureName"></param>
/// <param name="_parameters"></param>
/// <returns></returns>
public void RunProcedure(string _procedureName,SqlParameter[] _parameters,ref SqlDataReader _sqldataReader)
{
try
{
myConnection=new SqlConnection(this.ConnectionString);
myCommand=new SqlCommand(_procedureName,myConnection);
myCommand.CommandType=CommandType.StoredProcedure;
foreach(SqlParameter param in _parameters)
myCommand.Parameters.Add(param); myConnection.Open();
_sqldataReader=myCommand.ExecuteReader(System.Data.CommandBehavior.CloseConnection);
}
catch(Exception myEx)
{
this.ErrorMessage=myEx.Message;
this.Exception=myEx;
result=-1;
}
}
/// <summary>
/// The Procedure which has Parameter's Array and return DataSet.
/// </summary>
/// <param name="_procedureName"></param>
/// <param name="_parameters"></param>
/// <returns></returns>
public void RunProcedure(string _procedureName,SqlParameter[] _parameters,ref DataSet _dataset)
{
try
{
myConnection=new SqlConnection(this.ConnectionString);
myCommand=new SqlCommand(_procedureName,myConnection);
myCommand.CommandType=CommandType.StoredProcedure;
foreach(SqlParameter param in _parameters)
myCommand.Parameters.Add(param); myConnection.Open();
SqlDataAdapter myAdapter=new SqlDataAdapter(myCommand);
myAdapter.Fill(_dataset);
}
catch(Exception myEx)
{
this.ErrorMessage=myEx.Message;
this.Exception=myEx;
this.result=-1;
} }
/// <summary>
/// The Procedure which has Parameter's Array and return Scale.
/// </summary>
/// <param name="_procedureName"></param>
/// <param name="_parameters"></param>
/// <returns></returns>
public void RunProcedure(string _procedureName,SqlParameter[] _parameters)
{
try
{
myConnection=new SqlConnection(this.ConnectionString);
myCommand=new SqlCommand(_procedureName,myConnection);
myCommand.CommandType=CommandType.StoredProcedure;
foreach(SqlParameter param in _parameters)
myCommand.Parameters.Add(param); myConnection.Open();
//this.result=myCommand.ExecuteNonQuery();
myCommand.ExecuteReader(System.Data.CommandBehavior.CloseConnection);
}
catch(Exception myEx)
{
this.ErrorMessage=myEx.Message;
this.Exception=myEx;
this.result=-1;
} }
}
}看看