Question

Select * from Excel Sheet except Row 1.

Asked by: csharp_learner

Hi,
I'm trying to display a excel sheet but i want to exclude Row 1 which is the title and carry on from row 2 which is the start of the info I want.

Currently what i wrote is rather static as you can see I grabbed cells from A2:O36 which is row 2 onwards.But what I want is a dynamic solution that can retrive data from cell 2 till the last entry.Can anyone help?

try
            {
                string connString = "provider=Microsoft.Jet.OLEDB.4.0;data source=" + gotdirectory + @";Extended Properties=""Excel 8.0;HDR=YES;""";
                OleDbConnection oledbConn = new OleDbConnection(connString);
                oledbConn.Open();
                OleDbCommand cmd = new OleDbCommand("SELECT * FROM [A2:O36]", oledbConn);
                OleDbDataAdapter oleda = new OleDbDataAdapter();
                oleda.SelectCommand = cmd;
                oleda.Fill(ds);
                userTable = ds.Tables[0];
                excelGridView.DataSource = ds.Tables[0].DefaultView;
                excelGridView.ReadOnly = true;
                oledbConn.Close();
            }

                                  
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Asked On
2009-02-18 at 02:49:04ID24153461
Topics

C# Builder

,

C# Programming Language

Participating Experts
1
Points
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Comments
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Answers

 

by: daveamourPosted on 2009-02-18 at 02:51:25ID: 23668834

How about selecting from the entire sheet but use a where condition to only select rows which have a value in?

 

by: csharp_learnerPosted on 2009-02-18 at 02:55:11ID: 23668860

umm sorry I'm very weak in my coding could you possibly show me an example of it?

 

by: daveamourPosted on 2009-02-18 at 03:00:54ID: 23668896

SELECT * FROM [A2:O65536] Where ColumnName <> ''"

Don't know if that is exactly right but shows my general idea.  You may have to experiment with it.

 

by: csharp_learnerPosted on 2009-02-18 at 03:09:19ID: 23668961

Sorry if my question was confusing but I was trying more of avoiding the use of A2:O36
As the database might go into thousands of data and exceed what i set initally and other maybe varies from columns so instead od doing a A2:ZZ9999 I was hoping for a coding solution to programmatically detect the table with values.

 

by: daveamourPosted on 2009-02-18 at 03:17:25ID: 23669002

Thats what my idea was - it would Select everything but the where condition would make it only select rows with data in.  Not sure if this will actually work for Excel but the general idea is sound.

 

by: csharp_learnerPosted on 2009-02-18 at 17:59:01ID: 23677145

ummm sorry to sound noob but what does this <> expression mean?

 

by: daveamourPosted on 2009-02-18 at 22:07:58ID: 23678287

 

by: csharp_learnerPosted on 2009-02-19 at 19:38:25ID: 23688660

Is there a Way to clasify the column name dynamically as my application reads from different tables and their column names are different.

 

by: daveamourPosted on 2009-02-19 at 22:19:50ID: 23689276

Yes certainly, you can do things like this:


string columnName;
columnName = "MyColumnName";
string sqlCommandText = "SELECT * FROM [A2:O65536] Where " + columnName  + " <> ''"
OleDbCommand cmd = new OleDbCommand(sqlCommandText, oledbConn);

 

by: csharp_learnerPosted on 2009-02-22 at 17:48:49ID: 23707676

I got an exception error while trying your code.
No value given for one or more required parameters...

20120131-EE-VQP-002

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