大家帮忙解决插入重复数据
违反了 PRIMARY KEY 约束 'PK_ST_DeptInfo'。不能在对象 'ST_DeptInfo' 中插入重复键。语句已终止。
说明: 执行当前 Web 请求期间,出现未处理的异常。请检查堆栈跟踪信息,以了解有关该错误以及代码中导致错误的出处的详细信息。
异常详细信息: System.Data.SqlClient.SqlException: 违反了 PRIMARY KEY 约束 'PK_ST_DeptInfo'。不能在对象 'ST_DeptInfo' 中插入重复键。语句已终止。
源错误:
行 333:
行 334: // Finally, execute the command
行 335: int retval = cmd.ExecuteNonQuery();
行 336:
行 337: // Detach the SqlParameters from the command object, so they can be used again
源文件: C:\Program Files\Microsoft Application Blocks for .NET\Data Access v2\Code\CS\Microsoft.ApplicationBlocks.Data\SQLHelper.cs 行: 335
堆栈跟踪:
[SqlException: 违反了 PRIMARY KEY 约束 'PK_ST_DeptInfo'。不能在对象 'ST_DeptInfo' 中插入重复键。
语句已终止。]
System.Data.SqlClient.SqlCommand.ExecuteNonQuery()
Microsoft.ApplicationBlocks.Data.SqlHelper.ExecuteNonQuery(SqlConnection connection, CommandType commandType, String commandText, SqlParameter[] commandParameters) in C:\Program Files\Microsoft Application Blocks for .NET\Data Access v2\Code\CS\Microsoft.ApplicationBlocks.Data\SQLHelper.cs:335
Microsoft.ApplicationBlocks.Data.SqlHelper.ExecuteNonQuery(String connectionString, CommandType commandType, String commandText, SqlParameter[] commandParameters) in C:\Program Files\Microsoft Application Blocks for .NET\Data Access v2\Code\CS\Microsoft.ApplicationBlocks.Data\SQLHelper.cs:252
Microsoft.ApplicationBlocks.Data.SqlHelper.ExecuteNonQuery(String connectionString, CommandType commandType, String commandText) in C:\Program Files\Microsoft Application Blocks for .NET\Data Access v2\Code\CS\Microsoft.ApplicationBlocks.Data\SQLHelper.cs:226
ST_CourseBiz.ST_Dept.ST_InsertDeptInfo(String ST_DeptName, Int32 ST_DeptID) in c:\documents and settings\administrator\my documents\visual studio projects\st_webcourse\st_coursebiz\st_dept.cs:39
ST_WebCourse.ST_DeptAdd.btnOK_Click(Object sender, EventArgs e) in c:\inetpub\wwwroot\st_webcourse\st_deptadd.aspx.cs:80
System.EventHandler.Invoke(Object sender, EventArgs e) +0
System.Web.UI.WebControls.Button.OnClick(EventArgs e)
System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument)
System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument)
System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData)
System.Web.UI.Page.ProcessRequestMain()
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版本信息: Microsoft .NET Framework 版本:1.1.4322.2407; ASP.NET 版本:1.1.4322.2407