用户50,模拟用户使用的脚本,(就是点了几个页),过一会就大量出错,自己开网页是数据库连不上,服务器CPU,内存用的不是很厉害,通过SQLSERVER2005还能连接到数据库,用的DBHELPER如下:using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;/// <summary>
/// dbl 的摘要说明
/// </summary>
public class dbl
{
public dbl()
{
//
// TODO: 在此处添加构造函数逻辑
//
}
private static SqlConnection connection;
public static SqlConnection Connection
{
get
{
string connectionString = ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString;
if (connection == null)
{
connection = new SqlConnection(connectionString);
connection.Open();
}
else if (connection.State == System.Data.ConnectionState.Closed)
{
connection.Open();
}
else if (connection.State == System.Data.ConnectionState.Broken)
{
connection.Close();
connection.Open();
}
return connection;
}
}
public static int ExecuteCommand(string safeSql)
{
SqlCommand cmd = new SqlCommand(safeSql, Connection);
try
{
int result = cmd.ExecuteNonQuery();
return result;
}
catch
{
return -1;
}
finally
{
connection.Close();
}
} public static int ExecuteCommand(string sql, params SqlParameter[] values)
{
SqlCommand cmd = new SqlCommand(sql, Connection);
cmd.Parameters.AddRange(values);
try
{
int result = cmd.ExecuteNonQuery();
return result;
}
catch
{
return -1;
}
finally
{
connection.Close();
}
} public static int GetScalar(string safeSql)
{
SqlCommand cmd = new SqlCommand(safeSql, Connection);
try
{
return Convert.ToInt32(cmd.ExecuteScalar());
}
catch
{
return -1;
}
finally
{
connection.Close();
}
} public static object GetScalar(string safeSql,int i)
{
SqlCommand cmd = new SqlCommand(safeSql, Connection);
try
{
if (cmd.ExecuteScalar() != null)
{
return cmd.ExecuteScalar();
}
else
{
return -1;
} }
catch
{
return -1;
}
finally
{
connection.Close();
}
} public static int GetScalar(string sql, params SqlParameter[] values)
{
SqlCommand cmd = new SqlCommand(sql, Connection);
cmd.Parameters.AddRange(values);
try
{
int result = Convert.ToInt32(cmd.ExecuteScalar());
return result;
}
catch
{
return -1;
}
finally
{
connection.Close();
}
} public static SqlDataReader GetReader(string safeSql)
{
SqlCommand cmd = new SqlCommand(safeSql, Connection);
SqlDataReader reader = cmd.ExecuteReader();
return reader;
} public static SqlDataReader GetReader(string sql, params SqlParameter[] values)
{
SqlCommand cmd = new SqlCommand(sql, Connection);
cmd.Parameters.AddRange(values);
SqlDataReader reader = cmd.ExecuteReader();
return reader;
} public static DataTable GetDataSet(string safeSql)
{
DataSet ds = new DataSet();
SqlCommand cmd = new SqlCommand(safeSql, Connection);
SqlDataAdapter da = new SqlDataAdapter(cmd);
try
{
da.Fill(ds);
if (ds.Tables[0] != null)
{ return ds.Tables[0]; }
else
{
return null;
}
}
catch
{
return null;
}
finally
{
connection.Close();
} }
public static DataTable GetDataSet(string sql, params SqlParameter[] values)
{
DataSet ds = new DataSet();
SqlCommand cmd = new SqlCommand(sql, Connection);
cmd.Parameters.AddRange(values);
SqlDataAdapter da = new SqlDataAdapter(cmd);
try
{
if (ds.Tables[0] != null)
{ return ds.Tables[0]; }
else
{
return null;
}
}
catch
{
return null;
}
finally
{
connection.Close();
}
}}
webconfig里的连接字符串内容:
“Data Source=.;Initial Catalog=AAA;User ID=sa;Min Pool Size=20; Max Pool Size=200;”(Min Pool Size=20; Max Pool Size=200;是后加的也没起多大效果)前面没用DATAREADER读数据库,所以不存在忘关数据库连接的情况,大家碰到这种问题吗?
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;/// <summary>
/// dbl 的摘要说明
/// </summary>
public class dbl
{
public dbl()
{
//
// TODO: 在此处添加构造函数逻辑
//
}
private static SqlConnection connection;
public static SqlConnection Connection
{
get
{
string connectionString = ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString;
if (connection == null)
{
connection = new SqlConnection(connectionString);
connection.Open();
}
else if (connection.State == System.Data.ConnectionState.Closed)
{
connection.Open();
}
else if (connection.State == System.Data.ConnectionState.Broken)
{
connection.Close();
connection.Open();
}
return connection;
}
}
public static int ExecuteCommand(string safeSql)
{
SqlCommand cmd = new SqlCommand(safeSql, Connection);
try
{
int result = cmd.ExecuteNonQuery();
return result;
}
catch
{
return -1;
}
finally
{
connection.Close();
}
} public static int ExecuteCommand(string sql, params SqlParameter[] values)
{
SqlCommand cmd = new SqlCommand(sql, Connection);
cmd.Parameters.AddRange(values);
try
{
int result = cmd.ExecuteNonQuery();
return result;
}
catch
{
return -1;
}
finally
{
connection.Close();
}
} public static int GetScalar(string safeSql)
{
SqlCommand cmd = new SqlCommand(safeSql, Connection);
try
{
return Convert.ToInt32(cmd.ExecuteScalar());
}
catch
{
return -1;
}
finally
{
connection.Close();
}
} public static object GetScalar(string safeSql,int i)
{
SqlCommand cmd = new SqlCommand(safeSql, Connection);
try
{
if (cmd.ExecuteScalar() != null)
{
return cmd.ExecuteScalar();
}
else
{
return -1;
} }
catch
{
return -1;
}
finally
{
connection.Close();
}
} public static int GetScalar(string sql, params SqlParameter[] values)
{
SqlCommand cmd = new SqlCommand(sql, Connection);
cmd.Parameters.AddRange(values);
try
{
int result = Convert.ToInt32(cmd.ExecuteScalar());
return result;
}
catch
{
return -1;
}
finally
{
connection.Close();
}
} public static SqlDataReader GetReader(string safeSql)
{
SqlCommand cmd = new SqlCommand(safeSql, Connection);
SqlDataReader reader = cmd.ExecuteReader();
return reader;
} public static SqlDataReader GetReader(string sql, params SqlParameter[] values)
{
SqlCommand cmd = new SqlCommand(sql, Connection);
cmd.Parameters.AddRange(values);
SqlDataReader reader = cmd.ExecuteReader();
return reader;
} public static DataTable GetDataSet(string safeSql)
{
DataSet ds = new DataSet();
SqlCommand cmd = new SqlCommand(safeSql, Connection);
SqlDataAdapter da = new SqlDataAdapter(cmd);
try
{
da.Fill(ds);
if (ds.Tables[0] != null)
{ return ds.Tables[0]; }
else
{
return null;
}
}
catch
{
return null;
}
finally
{
connection.Close();
} }
public static DataTable GetDataSet(string sql, params SqlParameter[] values)
{
DataSet ds = new DataSet();
SqlCommand cmd = new SqlCommand(sql, Connection);
cmd.Parameters.AddRange(values);
SqlDataAdapter da = new SqlDataAdapter(cmd);
try
{
if (ds.Tables[0] != null)
{ return ds.Tables[0]; }
else
{
return null;
}
}
catch
{
return null;
}
finally
{
connection.Close();
}
}}
webconfig里的连接字符串内容:
“Data Source=.;Initial Catalog=AAA;User ID=sa;Min Pool Size=20; Max Pool Size=200;”(Min Pool Size=20; Max Pool Size=200;是后加的也没起多大效果)前面没用DATAREADER读数据库,所以不存在忘关数据库连接的情况,大家碰到这种问题吗?
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一般来说,用的sql操作类都是没有问题(因为很少人自己去写一个这样的类,都是拿其他源代码自己做些小小的改动,甚至不动)
“/”应用程序中的服务器错误。
--------------------------------------------------------------------------------DataBinding:“System.Data.DataRowView”不包含名为“shijian”的属性。
说明: 执行当前 Web 请求期间,出现未处理的异常。请检查堆栈跟踪信息,以了解有关该错误以及代码中导致错误的出处的详细信息。 异常详细信息: System.Web.HttpException: DataBinding:“System.Data.DataRowView”不包含名为“shijian”的属性。源错误:
行 877: </a>
行 878: </td>
行 879: <td class="font4"><%#Eval("shijian","{0:d}") %></td>
行 880:
行 881: </tr>
堆栈跟踪:
[HttpException (0x80004005): DataBinding:“System.Data.DataRowView”不包含名为“shijian”的属性。]
System.Web.UI.DataBinder.GetPropertyValue(Object container, String propName) +197
System.Web.UI.DataBinder.Eval(Object container, String[] expressionParts) +79
System.Web.UI.DataBinder.Eval(Object container, String expression) +108
System.Web.UI.DataBinder.Eval(Object container, String expression, String format) +11
System.Web.UI.TemplateControl.Eval(String expression, String format) +124
ASP.index_aspx.__DataBind__control13(Object sender, EventArgs e) in d:\zhidian\index.aspx:879
System.Web.UI.Control.OnDataBinding(EventArgs e) +99
System.Web.UI.Control.DataBind(Boolean raiseOnDataBinding) +206
System.Web.UI.Control.DataBind() +12
System.Web.UI.Control.DataBindChildren() +216
System.Web.UI.Control.DataBind(Boolean raiseOnDataBinding) +216
System.Web.UI.Control.DataBind() +12
System.Web.UI.WebControls.DataList.CreateItem(Int32 itemIndex, ListItemType itemType, Boolean dataBind, Object dataItem) +130
System.Web.UI.WebControls.DataList.CreateControlHierarchy(Boolean useDataSource) +634
System.Web.UI.WebControls.BaseDataList.OnDataBinding(EventArgs e) +56
System.Web.UI.WebControls.BaseDataList.DataBind() +72
System.Web.UI.WebControls.BaseDataList.EnsureDataBound() +55
System.Web.UI.WebControls.BaseDataList.CreateChildControls() +63
System.Web.UI.Control.EnsureChildControls() +87
System.Web.UI.Control.PreRenderRecursiveInternal() +41
System.Web.UI.Control.PreRenderRecursiveInternal() +161
System.Web.UI.Control.PreRenderRecursiveInternal() +161
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint
链接用静态变量?不死才怪