System.NullReferenceException: オブジェクト参照がオブジェクト インスタンスに設定されていません。 at System.Data.Common.Dbnetlib.ConnectionError(HandleRef pConnectionObject, IntPtr& netErr, IntPtr& netMsg, IntPtr& dberr) at System.Data.SqlClient.TdsParser.ProcessNetlibError(IntPtr errno) at System.Data.SqlClient.TdsParser.ReadNetlib(Int32 bytesExpected) at System.Data.SqlClient.TdsParser.ReadBuffer() at System.Data.SqlClient.TdsParser.ReadByteArray(Byte[] buff, Int32 offset, Int32 len) at System.Data.SqlClient.TdsParser.ReadEncodingChar(Int32 length, Encoding encoding) at System.Data.SqlClient.TdsParser.ReadValue(_SqlMetaData md, Int32 length) at System.Data.SqlClient.TdsParser.ProcessRow(_SqlMetaData[] columns, Object[] buffer, Int32[] map, Boolean useSQLTypes) at System.Data.SqlClient.SqlDataReader.PrepareRecord(Int32 i) at System.Data.SqlClient.SqlDataReader.GetValues(Object[] values) at System.Data.Common.DbEnumerator.MoveNext() at System.Web.UI.WebControls.Repeater.CreateControlHierarchy(Boolean useDataSource) at System.Web.UI.WebControls.Repeater.OnDataBinding(EventArgs e) at System.Web.UI.WebControls.Repeater.DataBind() at hoge.hogehoge.Button1_ServerClick(Object sender, EventArgs e) at System.Web.UI.HtmlControls.HtmlInputButton.OnServerClick(EventArgs e) at System.Web.UI.HtmlControls.HtmlInputButton.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) at System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) at System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) at System.Web.UI.Page.ProcessRequestMain()
