昨天，就在昨天俺将我的VS2005 专业版 换成了VS2005 Team Suite 。今天有问题发生啦！以前一个很简单的操作，今天竟然不行啦！就是我拖一个GridView 然后我配置数据源，和以前一样，选择数据连接，选择表（*）在高级里启用 生成（Insert，Update，Delete）和启用开放式并发。一切都和往常一样，可是运行的结果让我吃惊。 运行结果 可以排序，可以分页，可以选择，但是不能经行编辑的更新和删除。（以上几项均已启用）它给我的错误提示是
不能比较或排序 text、ntext 和 image 数据类型，除非使用 IS NULL 或 LIKE 运算符。
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.Data.SqlClient.SqlException: 不能比较或排序 text、ntext 和 image 数据类型，除非使用 IS NULL 或 LIKE 运算符。
Source Error:
An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.
Stack Trace:
[SqlException (0x80131904): 不能比较或排序 text、ntext 和 image 数据类型，除非使用 IS NULL 或 LIKE 运算符。]
System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection) +95
System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection) +82
System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj) +346
System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj) +3430
System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString) +186
System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async) +1139
System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, DbAsyncResult result) +334
System.Data.SqlClient.SqlCommand.InternalExecuteNonQuery(DbAsyncResult result, String methodName, Boolean sendToPipe) +407
System.Data.SqlClient.SqlCommand.ExecuteNonQuery() +149
System.Web.UI.WebControls.SqlDataSourceView.ExecuteDbCommand(DbCommand command, DataSourceOperation operation) +493
System.Web.UI.WebControls.SqlDataSourceView.ExecuteDelete(IDictionary keys, IDictionary oldValues) +922
System.Web.UI.DataSourceView.Delete(IDictionary keys, IDictionary oldValues, DataSourceViewOperationCallback callback) +176
System.Web.UI.WebControls.GridView.HandleDelete(GridViewRow row, Int32 rowIndex) +914