SqlHelper.cs

public class SqlHelper
{

#region comm sql
public static int ExecuteNonQuery(string cmdText, params SqlParameter[] parameters)
{
using (SqlConnection connection = new SqlConnection(connectionString))
{
using (SqlCommand command = new SqlCommand(cmdText, connection))
{
if (parameters != null) command.Parameters.AddRange(parameters);
if (connection.State == ConnectionState.Closed) connection.Open();
return command.ExecuteNonQuery();
}
}
}
public static object ExecuteScalar(string cmdText, params SqlParameter[] parameters)
{
using (SqlConnection connection = new SqlConnection(connectionString))
{
using (SqlCommand command = new SqlCommand(cmdText, connection))
{
if (parameters != null) command.Parameters.AddRange(parameters);
if (connection.State == ConnectionState.Closed) connection.Open();
return command.ExecuteScalar();
}
}
}
public static DataTable ExecuteDataTable(string cmdText, params SqlParameter[] parameters)
{
using (SqlConnection connection = new SqlConnection(connectionString))
{
using (SqlCommand command = new SqlCommand(cmdText, connection))
{
if (parameters != null) command.Parameters.AddRange(parameters);
if (connection.State == ConnectionState.Closed) connection.Open();
DataSet dataset = new DataSet();
SqlDataAdapter apdater = new SqlDataAdapter(command);
apdater.Fill(dataset);
return dataset.Tables[0];
}
}
}
public static DataSet ExecuteDataSet(string cmdText, params SqlParameter[] parameters)
{
using (SqlConnection connection = new SqlConnection(connectionString))
{
using (SqlCommand command = new SqlCommand(cmdText, connection))
{
if (parameters != null) command.Parameters.AddRange(parameters);
if (connection.State == ConnectionState.Closed) connection.Open();
DataSet dataset = new DataSet();
SqlDataAdapter sda = new SqlDataAdapter(command);
sda.Fill(dataset);
return dataset;
}
}
}
public static SqlDataReader ExecuteReader(string cmdText, params SqlParameter[] parameters)
{
SqlConnection connection = new SqlConnection(connectionString);
{
using (SqlCommand command = new SqlCommand(cmdText, connection))
{
if (parameters != null) command.Parameters.AddRange(parameters);
if (connection.State == ConnectionState.Closed) connection.Open();
return command.ExecuteReader();
}
}
}
#endregion

#region storedProcedure
public static int ExecuteNonQuerySp(string cmdText, params SqlParameter[] parameters)
{
using (SqlConnection connection = new SqlConnection(connectionString))
{
using (SqlCommand command = new SqlCommand(cmdText, connection))
{
if (parameters != null) command.Parameters.AddRange(parameters);
if (connection.State == ConnectionState.Closed) connection.Open();
command.CommandType = CommandType.StoredProcedure;
return command.ExecuteNonQuery();
}
}
}
public static object ExecuteScalarSp(string cmdText, params SqlParameter[] parameters)
{
using (SqlConnection connection = new SqlConnection(connectionString))
{
using (SqlCommand command = new SqlCommand(cmdText, connection))
{
if (parameters != null) command.Parameters.AddRange(parameters);
if (connection.State == ConnectionState.Closed) connection.Open();
command.CommandType = CommandType.StoredProcedure;
return command.ExecuteScalar();
}
}
}
public static DataTable ExecuteDataTableSp(string cmdText, params SqlParameter[] parameters)
{
using (SqlConnection connection = new SqlConnection(connectionString))
{
using (SqlCommand command = new SqlCommand(cmdText, connection))
{
if (parameters != null) command.Parameters.AddRange(parameters);
if (connection.State == ConnectionState.Closed) connection.Open();
command.CommandType = CommandType.StoredProcedure;
DataSet dataset = new DataSet();
SqlDataAdapter apdater = new SqlDataAdapter(command);
apdater.Fill(dataset);
return dataset.Tables[0];
}
}
}
public static SqlDataReader ExecuteReaderSp(string cmdText, params SqlParameter[] parameters)
{
SqlConnection connection = new SqlConnection(connectionString);
{
using (SqlCommand command = new SqlCommand(cmdText, connection))
{
if (parameters != null) command.Parameters.AddRange(parameters);
if (connection.State == ConnectionState.Closed) connection.Open();
command.CommandType = CommandType.StoredProcedure;
return command.ExecuteReader(CommandBehavior.CloseConnection);
}
}
}
public static DataSet ExecuteDataSetSp(string cmdText, params SqlParameter[] parameters) {
using (SqlConnection conn = new SqlConnection(connectionString)) {
using (SqlCommand comm = new SqlCommand(cmdText, conn)) {
if (parameters != null) comm.Parameters.AddRange(parameters);
if (conn.State == ConnectionState.Closed) conn.Open();
comm.CommandType = CommandType.StoredProcedure;
DataSet ds = new DataSet();
SqlDataAdapter sda = new SqlDataAdapter(comm);
sda.Fill(ds);
return ds;
}
}
}

#endregion
}