Gridview rowupdating in asp net example


21-May-2020 05:33

Please review the stack trace for more information about the error and where it originated in the code. Invalid Operation Exception: Invalid attempt to call Field Count when reader is closed.

Description: An unhandled exception occurred during the execution of the current web request. Command Text = "Select Taken Date, Status FROM " & str Table Name & " WHERE Student [email protected] ID AND Subject [email protected] Code AND [email protected]" With command.

Data Bind() End Sub Protected Sub GV_Student Record_Row Updating(By Val sender As Object, By Val e As System.

Row Updating Dim conn String As String = Configuration Manager. Connection String Dim e Date, e Status As String Dim str Table Name As String = LBSubject Code.

Grid View Cancel Edit Event Args) Handles GV_Student Record. Edit Index = -1 End Sub Now I know i hav to use Row Editing event, Row Updating Event, Row Canceling Edit event to make everything work. I hoping someone could point me in the right direction on how to use these 3 events, what syntax/coding should i use to handle these 3 events.

Description Partial Class Lecturer_Lecturer View Student Attendance Record Inherits System.

You have mentioned that you have done fecth data through select query and bind grid.

Command Text = "UPDATE " & str Table Name & " SET e Date='" & e Date & "', e Status='" & e Status & "' command. gurubhullar Hi, Data Set/Data Table in which you have get the data from database.

Redirect("~/Login Page.aspx") End Sub Private Sub Update Record(By Val Taken Date As String, By Val Status As String) Dim str Table Name As String = LBSubject Code. Text Dim conn String As String = Configuration Manager. Connection String Dim my Conn As New Sql Connection(conn String) Dim sql Statement As String = "UPDATE " & str Table Name & " SET Taken Date = @Taken Date, Status = @Status" Try my Conn.

Text Dim Status As String = Direct Cast(GV_Student Record. Thank you so much for being interested and helping me out. gurubhullar Hi, By looking into your code, Grid will bind on each postback so your code in Row Editing and Row Deleting will not get effect.

Text This is a class attendance taking system, i want the lecturer to be able to edit student's attendance record in case there was a mistake. Command Text = "Select Taken Date, Status FROM " & str Table Name & " WHERE Student [email protected] ID AND Subject [email protected] Code AND [email protected]" With command.

I connect to my database and gave it a SELECT query and it works fine. Grid View Edit Event Args) Handles GV_Student Record.

gridview rowupdating in asp net example-25

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I have a gridview which will populate at Page Load. Data Bind() End Sub Protected Sub GV_Student Record_Row Canceling Edit(By Val sender As Object, By Val e As System. Net way - If using Bound Field Columns Adding Rows in Grid View with Edit, Update and Delete Functionality - If using Template Field Columns PS: The article above uses C#.



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