System.ArgumentException: 项“integrated security”的值无效。

[Annie_zhi]

行 15: public DataSet dataset()
行 16: {
行 17: using (SqlConnection connection = new SqlConnection(conStr))
行 18: {
行 19: DataSet ds = new DataSet();


[ArgumentException: 项“integrated security”的值无效。]
System.Data.Common.DbConnectionOptions.ConvertValueToIntegratedSecurityInternal(String stringValue) +2602038
System.Data.Common.DbConnectionOptions.ConvertValueToIntegratedSecurity() +6048555
System.Data.SqlClient.SqlConnectionString..ctor(String connectionString) +103
System.Data.SqlClient.SqlConnectionFactory.CreateConnectionOptions(String connectionString, DbConnectionOptions previous) +29
System.Data.ProviderBase.DbConnectionFactory.GetConnectionPoolGroup(DbConnectionPoolKey key, DbConnectionPoolGroupOptions poolOptions, DbConnectionOptions& userConnectionOptions) +169
System.Data.SqlClient.SqlConnection.ConnectionString_Set(DbConnectionPoolKey key) +63
System.Data.SqlClient.SqlConnection.set_ConnectionString(String value) +93
System.Data.SqlClient.SqlConnection..ctor(String connectionString, SqlCredential credential) +44
System.Data.SqlClient.SqlConnection..ctor(String connectionString) +37
DAL2.fathercate.dataset() in C:\Users\86182\source\repos\DAL2\fathercate.cs:17
ClassLibrary1.fathercate.dataset() in C:\Users\86182\source\repos\ClassLibrary1\fathercate.cs:15
MyECWEB.index.Page_Load(Object sender, EventArgs e) in C:\Users\86182\source\repos\MyECWEB\index.aspx.cs:16
System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +52
System.Web.UI.Control.OnLoad(EventArgs e) +97
System.Web.UI.Control.LoadRecursive() +61
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +693


求各路大神解疑！！
是那一步错了呢 咋连接不上数据库了

[zemkey]

连接字符串不对吧，security是字符串的内容之一，