设置和修改优惠券完成后，点击保存出现下面的提示，请问如何解决？Server Error in '/' Application.

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将截断字符串或二进制数据。
语句已终止。              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: 将截断字符串或二进制数据。
语句已终止。

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): 将截断字符串或二进制数据。语句已终止。]   System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection) +2073422   System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection) +5063564   System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning() +234   System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj) +2275   System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString) +215   System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async) +987   System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, DbAsyncResult result) +162   System.Data.SqlClient.SqlCommand.InternalExecuteNonQuery(DbAsyncResult result, String methodName, Boolean sendToPipe) +178   System.Data.SqlClient.SqlCommand.ExecuteNonQuery() +137   Kesion.DataBase.DBHelper.ExecuteNonQuery(DbConnection connection, CommandType commandType, String commandText, DbParameter[] commandParameters) +196   Kesion.DataBase.DBHelper.ExecuteNonQuery(String connectionString, CommandType commandType, String commandText, DbParameter[] commandParameters) +230   Kesion.DataBase.DBHelper.ExecuteNonQuery(CommandType commandType, String commandText, DbParameter[] commandParameters) +60   Kesion.SqlDAL.CommonData.Insert(String tablename, Hashtable sqlparam, String condition) +1385   Kesion.SqlDAL.CommonData.Insert(String tablename, Hashtable sqlparam) +57   Kesion.BLL.CommonData.Insert(String tablename, Hashtable param) +54   Kesion.NET.WebSite.Admin.Shop.Admin_ShopCoupon.Foot1_Submit(Object sender, EventArgs e) +1552   Kesion.Controls.Foot.OnSubmit(EventArgs e) +96   Kesion.Controls.Foot.z2h2Xlua1b(Object , EventArgs ) +16   System.Web.UI.WebControls.Button.OnClick(EventArgs e) +118   System.Web.UI.WebControls.Button.RaisePostBackEvent(String eventArgument) +112   System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +10   System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +13   System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +36   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +5563