Store XML in SQL Server Table

[sippyuconn]

Hi

I wanted to store xml in a SQL Server Table

How does one go about it????

How does the Insert look like??? If I do it from a textfile or xmldocument?

How doe the Select look like if I want to put back into an xml document ??

THanks

 

[Arne Vajhøj]

I wanted to store xml in a SQL Server Table

How does one go about it????

How does the Insert look like??? If I do it from a textfile or xmldocument?

How doe the Select look like if I want to put back into an xml document ??

Do you want to store one XML document in:
- multiple fields ?
- single field of type NTEXT ?
- single field of type XML ?

Arne

 

[sippyuconn]

Do you want to store one XML document in:
- multiple fields ?
- single field of type NTEXT ?
- single field of type XML ?

Arne

Hi

I have small xmlfiles and each row would be a different file

So I was wondering do I insert as a textfile,stream or read xml into an
xmldocument and somehow do the insert???

Also on the select - how do I retrieve and what do I put the xml into??
a string ??? or into an xmldocument??

Thanks

 

[Arne Vajhøj]

I have small xmlfiles and each row would be a different file

Is that 1, 2 or 3 above ?

Arne

 

[sippyuconn]

Is that 1, 2 or 3 above ?

Arne

I would say #2

 

[Arne Vajhøj]

I would say #2

Then it is very simple using parameters.

Something like:

SqlCommand ins = new SqlCommand("INSERT INTO tbl VALUES(@id, @txt)", con);
ins.Parameters.Add("@id", SqlDbType.Int);
ins.Parameters.Add("@txt", SqlDbType.NText);
ins.Parameters["@id"].Value = id;
ins.Parameters["@txt"].Value = xmlstr;
ins.ExecuteNonQuery();

and:

SqlCommand sel = new SqlCommand("SELECT txt FROM tbl WHERE id = @id", con);
sel.Parameters.Add("@id", SqlDbType.Int);
sel.Parameters["@id"].Value = id;
SqlDataReader rdr = sel.ExecuteReader();
if(rdr.Read())
{
xmlstr = rdr.GetString(0);
}
else
{
// do something bad
}
rdr.Close();

Arne

 

[Jialiang Ge [MSFT]]

Good morning, sippyuconn

I agree with Arne. When we use NTEXT field to store XML string, it has no
difference from storing a normal string. We can read the XML file into a
string with the code:

StreamReader reader = new StreamReader("path to the xml file");
string xml = reader.ReadToEnd();
reader.Close();

and insert it into a SQL server table with Arne's code snippet.

Please let us if you have any other concerns or questions.

Regards,
Jialiang Ge ([email protected], remove 'online.')
Microsoft Online Community Support

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