如果我理解正确,您必须查询数据库以获取ID Where
,电子邮件列等于在文本框中输入的ID .从msdn看一下这个链接,并将Select命令设置为:
SELECT userID from [your table name] Where emailAddressColumn = @emailAddressColumn
Run Code Online (Sandbox Code Playgroud)
并在SqlDatasource Selecting
事件中写入:
e.command.parameters["@emailAddressColumn "] = TextBox_Email.Text;
Run Code Online (Sandbox Code Playgroud)