当前上下文中不存在名称ConfigurationManager的解决方法
今晚做项目在DBHelper.cs类中的数据库连接要改到web.config里面调用，结果在编译的时候却发现提示错误：
当前上下文中不存在名称"ConfigurationManager"
明明是已经添加了using System.Configuration但还是不行，后来回想了一下，还要再添加什么的，怪我不认真，真是的，原来还要在DAL类库中添加引用，加入里面的System.Configuration
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data;
using System.Collections;
using System.Collections.Generic;
using System.Data.SqlClient;
using System.Runtime.InteropServices;
using System.Configuration; namespace DBUtility
{
public abstract class DbHelperSQL
{
/// <summary>
/// 数据库连接字符串(web.config来配置)，可以动态更改connectionString支持多数据库.
/// </summary>
public static string connectionString = ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString; /// <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, , ParameterDirection.ReturnValue, false, , , string.Empty, DataRowVersion.Default, null));
return command;
} /// <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)
{
CommandType = CommandType.StoredProcedure
};
foreach (SqlParameter parameter in parameters)
{
if (parameter != null)
{
if (((parameter.Direction == ParameterDirection.InputOutput) || (parameter.Direction == ParameterDirection.Input)) && (parameter.Value == null))
{
parameter.Value = DBNull.Value;
}
command.Parameters.Add(parameter);
}
}
return command;
} /// <summary>
/// 判断是否存在某表的某个字段
/// </summary>
/// <param name="tableName">表名称</param>
/// <param name="columnName">列名称</param>
/// <returns>是否存在</returns>
public static bool ColumnExists(string tableName, string columnName)
{
object single = GetSingle("select count(1) from syscolumns where [id]=object_id('" + tableName + "') and [name]='" + columnName + "'");
if (single == null)
{
return false;
}
return (Convert.ToInt32(single) > );
} /// <summary>
/// 执行查询语句，返回SqlDataReader ( 注意：调用该方法后，一定要对SqlDataReader进行Close )
/// </summary>
/// <param name="strSQL">查询语句</param>
/// <returns>SqlDataReader</returns>
public static SqlDataReader ExecuteReader(string strSQL)
{
SqlDataReader reader2;
SqlConnection connection = new SqlConnection(connectionString);
SqlCommand command = new SqlCommand(strSQL, connection);
try
{
connection.Open();
reader2 = command.ExecuteReader(CommandBehavior.CloseConnection);
}
catch (SqlException exception)
{
throw exception;
}
return reader2;
} /// <summary>
/// 执行查询语句，返回SqlDataReader ( 注意：调用该方法后，一定要对SqlDataReader进行Close )
/// </summary>
/// <param name="strSQL">查询语句</param>
/// <returns>SqlDataReader</returns>
public static SqlDataReader ExecuteReader(string SQLString, params SqlParameter[] cmdParms)
{
SqlDataReader reader2;
SqlConnection conn = new SqlConnection(connectionString);
SqlCommand cmd = new SqlCommand();
try
{
PrepareCommand(cmd, conn, null, SQLString, cmdParms);
SqlDataReader reader = cmd.ExecuteReader(CommandBehavior.CloseConnection);
cmd.Parameters.Clear();
reader2 = reader;
}
catch (SqlException exception)
{
throw exception;
}
return reader2;
} /// <summary>
/// 执行SQL语句，返回影响的记录数
/// </summary>
/// <param name="SQLString">SQL语句</param>
/// <returns>影响的记录数</returns>
public static int ExecuteSql(string SQLString)
{
int num2;
using (SqlConnection connection = new SqlConnection(connectionString))
{
SqlCommand command = new SqlCommand(SQLString, connection);
try
{
connection.Open();
num2 = command.ExecuteNonQuery();
}
catch (SqlException exception)
{
connection.Close();
throw exception;
}
finally
{
if (command != null)
{
command.Dispose();
}
}
}
return num2;
} /// <summary>
/// 执行SQL语句，返回影响的记录数
/// </summary>
/// <param name="SQLString">SQL语句</param>
/// <returns>影响的记录数</returns>
public static int ExecuteSql(string SQLString, params SqlParameter[] cmdParms)
{
int num2;
using (SqlConnection connection = new SqlConnection(connectionString))
{
SqlCommand cmd = new SqlCommand();
try
{
PrepareCommand(cmd, connection, null, SQLString, cmdParms);
int num = cmd.ExecuteNonQuery();
cmd.Parameters.Clear();
num2 = num;
}
catch (SqlException exception)
{
throw exception;
}
finally
{
if (cmd != null)
{
cmd.Dispose();
}
}
}
return num2;
} /// <summary>
/// 执行SQL语句，返回影响的记录数,不会自动关闭连接
/// </summary>
/// <param name="SQLString">SQL语句</param>
/// <param name="_connection">connection</param>
/// <returns>影响的记录数</returns>
public static int ExecuteSql(string SQLString, SqlConnection _connection)
{
int num2;
SqlCommand command = new SqlCommand(SQLString, _connection);
try
{
_connection.Open();
num2 = command.ExecuteNonQuery();
}
catch (SqlException exception)
{
throw exception;
}
finally
{
if (command != null)
{
command.Dispose();
}
}
return num2;
} /// <summary>
/// 执行带一个存储过程参数的的SQL语句。
/// </summary>
/// <param name="SQLString">SQL语句</param>
/// <param name="content">参数内容,比如一个字段是格式复杂的文章，有特殊符号，可以通过这个方式添加</param>
/// <returns>影响的记录数</returns>
public static int ExecuteSql(string SQLString, string content)
{
int num2;
using (SqlConnection connection = new SqlConnection(connectionString))
{
SqlCommand command = new SqlCommand(SQLString, connection);
SqlParameter parameter = new SqlParameter("@content", SqlDbType.NText)
{
Value = content
};
command.Parameters.Add(parameter);
try
{
connection.Open();
num2 = command.ExecuteNonQuery();
}
catch (SqlException exception)
{
throw exception;
}
finally
{
command.Dispose();
connection.Close();
}
}
return num2;
} /// <summary>
/// 执行SQL语句，返回影响的记录数
/// </summary>
/// <param name="SQLString">SQL语句</param>
/// <returns>影响的记录数</returns>
public static int ExecuteSql(string SQLString, SqlConnection conn, params SqlParameter[] cmdParms)
{
int num2;
SqlCommand cmd = new SqlCommand();
try
{
PrepareCommand(cmd, conn, null, SQLString, cmdParms);
int num = cmd.ExecuteNonQuery();
cmd.Parameters.Clear();
num2 = num;
}
catch (SqlException exception)
{
throw exception;
}
finally
{
if (cmd != null)
{
cmd.Dispose();
}
}
return num2;
} /// <summary>
/// 执行SQL语句，返回影响的记录数
/// </summary>
/// <param name="SQLString">SQL语句</param>
/// <returns>影响的记录数</returns>
public static int ExecuteSql(string SQLString, string _connectionString, params SqlParameter[] cmdParms)
{
int num2;
using (SqlConnection connection = new SqlConnection(_connectionString))
{
SqlCommand cmd = new SqlCommand();
try
{
PrepareCommand(cmd, connection, null, SQLString, cmdParms);
int num = cmd.ExecuteNonQuery();
cmd.Parameters.Clear();
num2 = num;
}
catch (SqlException exception)
{
throw exception;
}
finally
{
if (cmd != null)
{
cmd.Dispose();
}
}
}
return num2;
} public static int ExecuteSqlByTime(string SQLString, int Times)
{
int num2;
using (SqlConnection connection = new SqlConnection(connectionString))
{
SqlCommand command = new SqlCommand(SQLString, connection);
try
{
connection.Open();
command.CommandTimeout = Times;
num2 = command.ExecuteNonQuery();
}
catch (SqlException exception)
{
connection.Close();
throw exception;
}
finally
{
if (command != null)
{
command.Dispose();
}
}
}
return num2;
} /// <summary>
/// 执行带一个存储过程参数的的SQL语句。
/// </summary>
/// <param name="SQLString">SQL语句</param>
/// <param name="content">参数内容,比如一个字段是格式复杂的文章，有特殊符号，可以通过这个方式添加</param>
/// <returns>影响的记录数</returns>
public static object ExecuteSqlGet(string SQLString, string content)
{
object obj3;
using (SqlConnection connection = new SqlConnection(connectionString))
{
SqlCommand command = new SqlCommand(SQLString, connection);
SqlParameter parameter = new SqlParameter("@content", SqlDbType.NText)
{
Value = content
};
command.Parameters.Add(parameter);
try
{
connection.Open();
object objA = command.ExecuteScalar();
if (object.Equals(objA, null) || object.Equals(objA, DBNull.Value))
{
return null;
}
obj3 = objA;
}
catch (SqlException exception)
{
throw exception;
}
finally
{
command.Dispose();
connection.Close();
}
}
return obj3;
} /// <summary>
/// 向数据库里插入图像格式的字段(和上面情况类似的另一种实例)
/// </summary>
/// <param name="strSQL">SQL语句</param>
/// <param name="fs">图像字节,数据库的字段类型为image的情况</param>
/// <returns>影响的记录数</returns>
public static int ExecuteSqlInsertImg(string strSQL, byte[] fs)
{
int num2;
using (SqlConnection connection = new SqlConnection(connectionString))
{
SqlCommand command = new SqlCommand(strSQL, connection);
SqlParameter parameter = new SqlParameter("@fs", SqlDbType.Image)
{
Value = fs
};
command.Parameters.Add(parameter);
try
{
connection.Open();
num2 = command.ExecuteNonQuery();
}
catch (SqlException exception)
{
throw exception;
}
finally
{
command.Dispose();
connection.Close();
}
}
return num2;
} /// <summary>
/// 执行多条SQL语句，实现数据库事务。
/// </summary>
/// <param name="SQLStringList">多条SQL语句</param>
public static int ExecuteSqlTran(List<string> SQLStringList)
{
int num3;
using (SqlConnection connection = new SqlConnection(connectionString))
{
connection.Open();
SqlCommand command = new SqlCommand
{
Connection = connection
};
SqlTransaction transaction = connection.BeginTransaction();
command.Transaction = transaction;
try
{
int num = ;
for (int i = ; i < SQLStringList.Count; i++)
{
string str = SQLStringList[i];
if (str.Trim().Length > )
{
command.CommandText = str;
num += command.ExecuteNonQuery();
}
}
transaction.Commit();
num3 = num;
}
catch
{
transaction.Rollback();
num3 = ;
}
}
return num3;
} /// <summary>
/// 执行多条SQL语句，实现数据库事务。
/// </summary>
/// <param name="SQLStringList">SQL语句的哈希表（key为sql语句，value是该语句的SqlParameter[]）</param>
public static void ExecuteSqlTran(Hashtable SQLStringList)
{
using (SqlConnection connection = new SqlConnection(connectionString))
{
connection.Open();
using (SqlTransaction transaction = connection.BeginTransaction())
{
SqlCommand cmd = new SqlCommand();
try
{
foreach (DictionaryEntry entry in SQLStringList)
{
string cmdText = entry.Key.ToString();
SqlParameter[] cmdParms = (SqlParameter[])entry.Value;
PrepareCommand(cmd, connection, transaction, cmdText, cmdParms);
cmd.ExecuteNonQuery();
cmd.Parameters.Clear();
}
transaction.Commit();
}
catch
{
transaction.Rollback();
throw;
}
}
}
} /// <summary>
/// 执行多条SQL语句，实现数据库事务。
/// </summary>
/// <param name="SQLStringList">SQL语句的哈希表（key为sql语句，value是该语句的SqlParameter[]）</param>
public static void ExecuteSqlTranWithIndentity(Hashtable SQLStringList)
{
using (SqlConnection connection = new SqlConnection(connectionString))
{
connection.Open();
using (SqlTransaction transaction = connection.BeginTransaction())
{
SqlCommand cmd = new SqlCommand();
try
{
int num = ;
foreach (DictionaryEntry entry in SQLStringList)
{
string cmdText = entry.Key.ToString();
SqlParameter[] cmdParms = (SqlParameter[])entry.Value;
foreach (SqlParameter parameter in cmdParms)
{
if (parameter.Direction == ParameterDirection.InputOutput)
{
parameter.Value = num;
}
}
PrepareCommand(cmd, connection, transaction, cmdText, cmdParms);
cmd.ExecuteNonQuery();
foreach (SqlParameter parameter2 in cmdParms)
{
if (parameter2.Direction == ParameterDirection.Output)
{
num = Convert.ToInt32(parameter2.Value);
}
}
cmd.Parameters.Clear();
}
transaction.Commit();
}
catch
{
transaction.Rollback();
throw;
}
}
}
} public static bool Exists(string strSql)
{
int num;
object single = GetSingle(strSql);
if (object.Equals(single, null) || object.Equals(single, DBNull.Value))
{
num = ;
}
else
{
num = int.Parse(single.ToString());
}
if (num == )
{
return false;
}
return true;
} public static bool Exists(string strSql, params SqlParameter[] cmdParms)
{
int num;
object single = GetSingle(strSql, cmdParms);
if (object.Equals(single, null) || object.Equals(single, DBNull.Value))
{
num = ;
}
else
{
num = int.Parse(single.ToString());
}
if (num == )
{
return false;
}
return true;
} /// <summary>
/// 得到指定列的最大值
/// </summary>
/// <param name="FieldName">列名</param>
/// <param name="TableName">表名</param>
/// <returns>最大值</returns>
public static int GetMaxID(string FieldName, string TableName)
{
return GetMaxID(FieldName, TableName, "");
} /// <summary>
/// 得到指定条件、指定列的最大值
/// </summary>
/// <param name="FieldName">列名</param>
/// <param name="TableName">表名</param>
/// <param name="strWhere">条件</param>
/// <returns></returns>
public static int GetMaxID(string FieldName, string TableName, string strWhere)
{
string sQLString = "select max(" + FieldName + ")+1 from " + TableName;
if (!string.IsNullOrEmpty(strWhere))
{
sQLString = sQLString + " Where " + strWhere;
}
object single = GetSingle(sQLString);
if (single == null)
{
return ;
}
return int.Parse(single.ToString());
} /// <summary>
/// 得到指定条件、指定列的最大值
/// </summary>
/// <param name="FieldName">列名</param>
/// <param name="TableName">表名</param>
/// <param name="strWhere">条件</param>
/// <returns></returns>
public static long GetMaxIDLong(string FieldName, string TableName, string strWhere)
{
string sQLString = "select max(" + FieldName + ")+1 from " + TableName;
if (!string.IsNullOrEmpty(strWhere))
{
sQLString = sQLString + " Where " + strWhere;
}
object single = GetSingle(sQLString);
if (single == null)
{
return 1L;
}
return long.Parse(single.ToString());
} /// <summary>
/// 执行一条计算查询结果语句，返回查询结果（object）。
/// </summary>
/// <param name="SQLString">计算查询结果语句</param>
/// <returns>查询结果（object）</returns>
public static object GetSingle(string SQLString)
{
object obj3;
using (SqlConnection connection = new SqlConnection(connectionString))
{
SqlCommand command = new SqlCommand(SQLString, connection);
try
{
connection.Open();
object objA = command.ExecuteScalar();
if (object.Equals(objA, null) || object.Equals(objA, DBNull.Value))
{
return null;
}
obj3 = objA;
}
catch (SqlException exception)
{
connection.Close();
throw exception;
}
finally
{
if (command != null)
{
command.Dispose();
}
}
}
return obj3;
} /// <summary>
/// 执行一条计算查询结果语句，返回查询结果（object）。
/// </summary>
/// <param name="SQLString">计算查询结果语句</param>
/// <returns>查询结果（object）</returns>
public static object GetSingle(string SQLString, params SqlParameter[] cmdParms)
{
object obj3;
using (SqlConnection connection = new SqlConnection(connectionString))
{
SqlCommand cmd = new SqlCommand();
try
{
PrepareCommand(cmd, connection, null, SQLString, cmdParms);
object objA = cmd.ExecuteScalar();
cmd.Parameters.Clear();
if (object.Equals(objA, null) || object.Equals(objA, DBNull.Value))
{
return null;
}
obj3 = objA;
}
catch (SqlException exception)
{
throw exception;
}
finally
{
if (cmd != null)
{
cmd.Dispose();
}
}
}
return obj3;
} public static object GetSingle(string SQLString, int Times)
{
object obj3;
using (SqlConnection connection = new SqlConnection(connectionString))
{
SqlCommand command = new SqlCommand(SQLString, connection);
try
{
connection.Open();
command.CommandTimeout = Times;
object objA = command.ExecuteScalar();
if (object.Equals(objA, null) || object.Equals(objA, DBNull.Value))
{
return null;
}
obj3 = objA;
}
catch (SqlException exception)
{
connection.Close();
throw exception;
}
finally
{
if (command != null)
{
command.Dispose();
}
}
}
return obj3;
} public static object GetSingle(string SQLString, string _connectionString)
{
object obj3;
using (SqlConnection connection = new SqlConnection(_connectionString))
{
SqlCommand command = new SqlCommand(SQLString, connection);
try
{
connection.Open();
object objA = command.ExecuteScalar();
if (object.Equals(objA, null) || object.Equals(objA, DBNull.Value))
{
return null;
}
obj3 = objA;
}
catch (SqlException exception)
{
connection.Close();
throw exception;
}
finally
{
if (command != null)
{
command.Dispose();
}
}
}
return obj3;
} public static object GetSingle(string SQLString, string _connectionString, int Times)
{
object obj3;
using (SqlConnection connection = new SqlConnection(_connectionString))
{
SqlCommand command = new SqlCommand(SQLString, connection);
try
{
connection.Open();
command.CommandTimeout = Times;
object objA = command.ExecuteScalar();
if (object.Equals(objA, null) || object.Equals(objA, DBNull.Value))
{
return null;
}
obj3 = objA;
}
catch (SqlException exception)
{
connection.Close();
throw exception;
}
finally
{
if (command != null)
{
command.Dispose();
}
}
}
return obj3;
} public static object GetSingle(string SQLString, string _connectionString, params SqlParameter[] cmdParms)
{
object obj3;
using (SqlConnection connection = new SqlConnection(_connectionString))
{
SqlCommand cmd = new SqlCommand();
try
{
PrepareCommand(cmd, connection, null, SQLString, cmdParms);
object objA = cmd.ExecuteScalar();
cmd.Parameters.Clear();
if (object.Equals(objA, null) || object.Equals(objA, DBNull.Value))
{
return null;
}
obj3 = objA;
}
catch (SqlException exception)
{
throw exception;
}
finally
{
if (cmd != null)
{
cmd.Dispose();
}
}
}
return obj3;
} private static void PrepareCommand(SqlCommand cmd, SqlConnection conn, SqlTransaction trans, string cmdText, SqlParameter[] cmdParms)
{
if (conn.State != ConnectionState.Open)
{
conn.Open();
}
cmd.Connection = conn;
cmd.CommandText = cmdText;
if (trans != null)
{
cmd.Transaction = trans;
}
cmd.CommandType = CommandType.Text;
if (cmdParms != null)
{
foreach (SqlParameter parameter in cmdParms)
{
if (((parameter.Direction == ParameterDirection.InputOutput) || (parameter.Direction == ParameterDirection.Input)) && (parameter.Value == null))
{
parameter.Value = DBNull.Value;
}
cmd.Parameters.Add(parameter);
}
}
} /// <summary>
/// 执行查询语句，返回DataSet
/// </summary>
/// <param name="SQLString">查询语句</param>
/// <returns>DataSet</returns>
public static DataSet Query(string SQLString)
{
using (SqlConnection connection = new SqlConnection(connectionString))
{
DataSet dataSet = new DataSet();
try
{
connection.Open();
new SqlDataAdapter(SQLString, connection).Fill(dataSet, "ds");
}
catch (SqlException exception)
{
throw new Exception(exception.Message);
}
return dataSet;
}
} /// <summary>
/// 执行查询语句，返回DataSet
/// </summary>
/// <param name="SQLString">查询语句</param>
/// <returns>DataSet</returns>
public static DataSet Query(string SQLString, params SqlParameter[] cmdParms)
{
DataSet set2;
using (SqlConnection connection = new SqlConnection(connectionString))
{
SqlCommand cmd = new SqlCommand();
PrepareCommand(cmd, connection, null, SQLString, cmdParms);
using (SqlDataAdapter adapter = new SqlDataAdapter(cmd))
{
DataSet dataSet = new DataSet();
try
{
adapter.Fill(dataSet, "ds");
cmd.Parameters.Clear();
}
catch (SqlException exception)
{
throw new Exception(exception.Message);
}
set2 = dataSet;
}
}
return set2;
} public static DataSet Query(string SQLString, int Times)
{
using (SqlConnection connection = new SqlConnection(connectionString))
{
DataSet dataSet = new DataSet();
try
{
connection.Open();
new SqlDataAdapter(SQLString, connection) { SelectCommand = { CommandTimeout = Times } }.Fill(dataSet, "ds");
}
catch (SqlException exception)
{
throw new Exception(exception.Message);
}
return dataSet;
}
} public static DataSet Query(string SQLString, string _connectionString)
{
using (SqlConnection connection = new SqlConnection(_connectionString))
{
DataSet dataSet = new DataSet();
try
{
connection.Open();
new SqlDataAdapter(SQLString, connection).Fill(dataSet, "ds");
}
catch (SqlException exception)
{
throw new Exception(exception.Message);
}
return dataSet;
}
} /// <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);
connection.Open();
SqlCommand command = BuildQueryCommand(connection, storedProcName, parameters);
command.CommandType = CommandType.StoredProcedure;
return command.ExecuteReader(CommandBehavior.CloseConnection);
} /// <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();
new SqlDataAdapter { SelectCommand = BuildQueryCommand(connection, storedProcName, parameters) }.Fill(dataSet, tableName);
connection.Close();
return dataSet;
}
} /// <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))
{
connection.Open();
SqlCommand command = BuildIntCommand(connection, storedProcName, parameters);
rowsAffected = command.ExecuteNonQuery();
return (int)command.Parameters["ReturnValue"].Value;
}
} 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 adapter = new SqlDataAdapter
{
SelectCommand = BuildQueryCommand(connection, storedProcName, parameters)
};
adapter.SelectCommand.CommandTimeout = Times;
adapter.Fill(dataSet, tableName);
connection.Close();
return dataSet;
}
} /// <summary>
/// Runs the procedure.
/// </summary>
/// <param name="storedProcName">Name of the stored proc.</param>
/// <param name="parameters">The parameters.</param>
/// <param name="tableName">Name of the table.</param>
/// <param name="connstr">The connstr.</param>
/// <returns></returns>
public static DataSet RunProcedure(string storedProcName, IDataParameter[] parameters, string tableName, string connstr)
{
using (SqlConnection connection = new SqlConnection(connstr))
{
DataSet dataSet = new DataSet();
connection.Open();
new SqlDataAdapter { SelectCommand = BuildQueryCommand(connection, storedProcName, parameters) }.Fill(dataSet, tableName);
connection.Close();
return dataSet;
}
} /// <summary>
/// 表是否存在
/// </summary>
/// <param name="TableName"></param>
/// <returns></returns>
public static bool TabExists(string TableName)
{
int num;
object single = GetSingle("select count(*) from sysobjects where id = object_id(N'[" + TableName + "]') and OBJECTPROPERTY(id, N'IsUserTable') = 1");
if (object.Equals(single, null) || object.Equals(single, DBNull.Value))
{
num = ;
}
else
{
num = int.Parse(single.ToString());
}
if (num == )
{
return false;
}
return true;
} }
}
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