Asp sqldatasource onupdating

On Row Updating I can now retrieve new values using "New Values" property for each field I need, then cancel updating and use new values for my purposes (here, build a string to use in a sp to insert a new record based on new values): Protected Sub gv Autorizzazioni_Row Updating(By Val sender As Object, By Val e As System. I have a grid that is bound to a SQL Data Source control. I have a Command Item Template for editing the records. The problem is: when I retrieve data using Grid View. Grid View Command Event Args) Handles gv Autorizzazioni. Command Name = "Crea Autorizz") Then Dim str Per Insert As String = "" Dim index As Integer = Convert. Command Argument) Dim row As Grid View Row = gv Autorizzazioni. Protected Sub gv Autorizzazioni_Row Command(By Val sender As Object, By Val e As System. So I have my Gridview with Data Source set to a Data Table on page Load event : In the Click event of the button I want to retrieve current values of the controls, as displayed on Web page after user's actions, and pass them to my sp as a comma-separated string. Is Null Or Empty(str Add) = False Then str Per Insert = str Per Insert & str Add & "," '..so on to add values to string What to do to retrieve edited values? Find Control, I only get unedited values, those initially displayed from database, not the actual values displayed on screen. Rows(index) Dim str Add As String = "" str Add = (CType(row. Am I missing something or is it just not possible or perhaps a beta problem? Find Control, I only get unedited values, those initially displayed from database, not the actual values displayed on screen. Rows(index) Dim str Add As String = "" str Add = (CType(row. A question that comes up often on forums such as p2com is how to let users manage their own data stored in a database.Probably the easiest way to accomplish this is to keep the user name in a separate column.

Hello, on my page, I have a Details View Control connected to a Sql Data Source.If, however, your site is already using Profile, you can also use the . Sql Data Source Command Event Args e) private void Assign User Name(Db Parameter Collection parameters) solution, the user's name is now successfully sent to the database, to ensure users can only see, and manage their own data.Users should only be able to see and manage their own links even though the links for all users are stored in the same database,. Download a full working example showing both concepts (requires ASP.Sql Data Source 命令逻辑由 4 个属性提供:Select Command、Insert Command、Update Command、Delete Command,它们都接收一个字符串(SQL 语句或存储过程名称);与之相应的 Select Command Type、Insert Command Type、Update Command Type、Delete Command Type 也要设置为 Text 或 Stored Procedure (Text 是默认值)。 下面是一个完整的 Sql Data Source ,它定义了从 Employees 表中读取记录的 SELECT 命令: 创建完数据源后,我们可以在设计时绑定控件,而不必在 Page. 严格并发检查 上面的示例更新使用 ID 匹配记录,这样的做法问题在于更新命令会不加选择的更新所有字段,带来的后果是可能会消除其他用户的更新,如果他们的更新介于你请求的页面和更新的页面之间。 第二步是告诉 Sql Data Source 如何命名保持原始值的参数。默认情况下,原始值被赋予和变化了的值相同的参数名称。事实上,它们覆盖了原始参数值。为了避免这一行为,你需要设置 Sql Data Source.Load 事件中编写逻辑了,看图: 智能标签的刷新架构可以促使数据源控件连接数据库并读取查询的信息。 创建一些控件并进行数据绑定,看下效果: 我们知道可以用 Data Reader 或 Data View 来绑定,那么 Sql Data Source 使用的是哪一种呢?其实这决定于 Data Source Mode 的设置。 Data Set 模式几乎总会更好一些。因为它支持 排序、过滤、缓存。 可以对此做个试验。创建一个 Grid View 并绑定到 Sql Data Source ,设置 Grid View 的Auto Generate Edit Button 属性为 true ,一个新列出现在 Grid View 的左边: “更新”链接会把值传送到 Sql Data Source. Old Values Parameter Format String 属性。这个属性接收一个 作为占位符的字符串,其中 指定原始参数名称。例如,如果把 Old Values Parameter Format String 属性设置为 original_(这是一般的习惯),那么具有原始值的参数就会被赋予前缀 original_ 。 如果使用了标准的 Conflict Options(Conflict Options.

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