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C# Hot to query a DataTable and select the Row in DataGrid

Posted on 2006-07-10
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Last Modified: 2012-06-27
I have DataTable, Columns in it are ID and Price. I am showing that Datatable using DataGrid.

Now, I have an ID and I want to query my DataTable and if I find that ID in DataTable, I wana select that record in DataGrid.


AnyHelp
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Question by:tahir_666
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4 Comments
 
LVL 29

Accepted Solution

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Gautham Janardhan earned 500 total points
ID: 17072606
You could use the datatable .select() function to do this.for this u would have to set one of ur columns in the table as a primary key

ATable.Constraints.Add(contraintname,columnname,primarykey)

then u could use Atable.select (string filter exp) to
select corresponding row

exp can be like "COLUMNNAME = VALUE"
or "COLUMNNAME < VALUE"
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LVL 29

Expert Comment

by:Gautham Janardhan
ID: 17072622
add to that above if u dont set the primary key the problem would be that there is chance of returning multile rows
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Author Comment

by:tahir_666
ID: 17072652
I can get the Row which I want to select....but I want to select the Row in DB grid, if found.

Anycode for selecting the Row in Datagrid???
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Author Comment

by:tahir_666
ID: 17079375
Found by help of office dude :o)

dgSQL.DataSource = dtSQL2;

                for (int i = 0; i < dtSQL2.Rows.Count; i++)
                {
                    if (dtSQL2.Rows[i]["ORDER_ID"].ToString() == OrderID.ToString())
                    {
                        dgSQL.Rows[i].Selected = true;
                    }
                    else
                    {
                        dgSQL.Rows[i].Selected = false;
                    }
                }
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