| Other ADO.NET Interview Questions |
|| Asked @
|I loaded the dataset with a table of 10 records. One of the
records is deleted from the backend, How do you check
whether all the 10 records were present while updating the
data(Which event and steps) and throw the exception.
|When multiple users attempt to modify data at the same time
Ex user 1 is updating record at same time user2 deleted
record sucessfully.now user1 has press update button . how
to handle concurrency
|How To Update A Column In A DataGrid Using C#.NET?
I am getting InvalidCastException as (Specified cast is not
valid) while updating 2nd column in a datagrid?
Id,firstname,lastname are the three columns of my datagrid
respectively. I wanted to edit the second column(lastname)
and update it. I did the following code in DataGrid's
updatecommand(),but failed to update !
TextBox lnm=(TextBox)e.Item.Cells.Controls; string
str=lnm.Text ; SqlCommand cmd=new SqlCommand("update
customer set lastname='" + str + "' where id=" + varid
+ "",con); cmd.ExecuteNonQuery(); DataGrid1.EditItemIndex=-
|About ADO and its objects ?
|what is ado.net
|i have two textboxes one for user name and another for
password . i have a table name compare(which contains
name,passwod etc.,)my doubt is how compare username
textbox with name column and how compare password textbox
with passwod column. i want the code
|what is the criteria of selection in sbi interview?
|What are the different row versions available?
|| ||2 |
|what are the differences between dataset and datareader?
|Features and disadvantages of dataset?
|What are the 4 types of classes in ADO.NET?
|| ||5 |
|What are the functions of oledbdataadapter?
|| ||4 |
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