我的网站在本机调试正常
发布到IIS刚开始也正常
可是过了一晚上,就不能登陆 每次都是这样:时间一长久变得不能登陆
,我查了一下,有两个函数的返回值可能为空,对此我全部修改过了,可还是有这个问题
错误信息:Stack Trace:[NullReferenceException: Object reference not set to an instance of an object.]
MySql.Data.MySqlClient.NativeDriver.Configure(MySqlConnection connection) +20
MySql.Data.MySqlClient.MySqlConnection.Open() +276
DBUtility.PrepareCommand(MySqlCommand cmd, MySqlConnection conn, MySqlTransaction trans, CommandType cmdType, String cmdText, MySqlParameter[] cmdParms) +37
DBUtility.ExecuteReader(String connectionString, CommandType cmdType, String cmdText, MySqlParameter[] commandParameters) +131
LoginDB.GetPasswordByID(String userID) +120
LoginComponent.LoginJudge(String userID, String password) +16
index.LogButton_Click(Object sender, EventArgs e) +60
System.Web.UI.WebControls.Button.OnClick(EventArgs e) +105
System.Web.UI.WebControls.Button.RaisePostBackEvent(String eventArgument) +107
System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +7
System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +11
System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +33
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +5102
请大侠指教
发布到IIS刚开始也正常
可是过了一晚上,就不能登陆 每次都是这样:时间一长久变得不能登陆
,我查了一下,有两个函数的返回值可能为空,对此我全部修改过了,可还是有这个问题
错误信息:Stack Trace:[NullReferenceException: Object reference not set to an instance of an object.]
MySql.Data.MySqlClient.NativeDriver.Configure(MySqlConnection connection) +20
MySql.Data.MySqlClient.MySqlConnection.Open() +276
DBUtility.PrepareCommand(MySqlCommand cmd, MySqlConnection conn, MySqlTransaction trans, CommandType cmdType, String cmdText, MySqlParameter[] cmdParms) +37
DBUtility.ExecuteReader(String connectionString, CommandType cmdType, String cmdText, MySqlParameter[] commandParameters) +131
LoginDB.GetPasswordByID(String userID) +120
LoginComponent.LoginJudge(String userID, String password) +16
index.LogButton_Click(Object sender, EventArgs e) +60
System.Web.UI.WebControls.Button.OnClick(EventArgs e) +105
System.Web.UI.WebControls.Button.RaisePostBackEvent(String eventArgument) +107
System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +7
System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +11
System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +33
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +5102
请大侠指教
可是过了一晚上,就不能登陆
----------
是不是你的连接串信息保存在session中,session过期后,sqlconnection的串找不到引起的
.....
我把mysql关掉,再打开,这时 就登陆不上去了!~~~~该怎么解决?就是修改myswql的wait_timeout属性么