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Insert and update

Posted on 2013-06-21
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Last Modified: 2013-06-21
Hi,

I have one record in a table and two records in a gridview as follows.

Id (PK) Name  Points
1         abc        10

and in gridView control
Id  Name     Points
1   abc           20
2   xyz           30

I want to insert and update records from the gridview to the table. In this scenario, Id=1 is already exists in the table so I want to update it and Id=2 is not in the table so I want insert it. i.e. Two operations in one execution. How can I deal this scenario?

Please help me.

Thanks

ayha
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Question by:ayha1999
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5 Comments
 
LVL 13

Expert Comment

by:Jesus Rodriguez
ID: 39266500
For each Rw as GridviewRow in Gridview1.rows
 ID=rw.cell(0).value
 dim qry as string="select id from table_name where id='" & ID & "'"
 dim t as new datatable
 dim adt as new sqldataadapter(Qry,YourSqlConn)
 t.clear()
 adt.fill(t)
 if t.rows.count>0 then
   'update
     qry="update table set name='" & rw.cell(1).value &"',Points='" & rw.cell(2).value &"' where ID='" & ID &"'"
 else
  'Insert
   qry="INSERT INTO TABLE(NAME,POINTS) VALUES('" & rw.cell(1).value &"','" & rw.cell(2).value &"')"
end
 dim k as new datatable
 dim adk as new sqldataadapter(Qry,YourSqlConn)
k.clear()
 adk.fill(k)
Next
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LVL 13

Accepted Solution

by:
Jesus Rodriguez earned 500 total points
ID: 39266511
Also you can use the merge command with sql. Look at here

http://technet.microsoft.com/en-us/library/bb510625.aspx
0
 
LVL 7

Author Comment

by:ayha1999
ID: 39266515
In the scenario here, insert and update should happen same time because id=1 is already in the table so need to update and id=2 is not there so need to insert. I think in the above code it either insert or update.

Thanks
0
 
LVL 7

Author Comment

by:ayha1999
ID: 39266559
Could you please give me a sample for the scenario I posted?

Thanks

ayha
0
 
LVL 7

Author Closing Comment

by:ayha1999
ID: 39266894
Thanks
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