Let’s start with a very simple application.
Drop OpenFileDialog control in the application.
When user click on Pick File button using OpenFileDialog he will select a rtf file to display in richtextbox control.
The content of richtextbox control will be saved in the sql server table.
This is how our table looks like.
File content is the image data type column where we will store our rtf content.
<!–[if gte vml 1]> <![endif]–>
Put the following code in Pick file button click.
if(openFileDialog1.ShowDialog() == DialogResult.OK)
{
try
{
rtfContent.LoadFile(openFileDialog1.FileName);
}
catch(Exception ex)
{
MessageBox.Show(ex.Message);
}
}
Put the following code in Save Button Click
SqlConnection conn=new SqlConnection(“Data Source=D-0824;Initial Catalog=WordInterOp; uid=sa;pwd=sa;”);
SqlCommand cmd=new SqlCommand();
cmd.CommandText = “Insert into RtfStore (fileName,fileContent) values ( @fname,@fcontent)”;
cmd.Connection=conn;
SqlParameter fileName=new SqlParameter(“@fname”,openFileDialog1.SafeFileName);
rtfContent.SaveFile(@”c:\temp.rtf”, RichTextBoxStreamType.RichText);
FileStream stream = new FileStream(@”c:\temp.rtf”, FileMode.Open, FileAccess.Read);
int size = Convert.ToInt32(stream.Length);
Byte[] rtf = new Byte[size];
stream.Read(rtf, 0, size);
SqlParameter fileContent=new SqlParameter();
fileContent.ParameterName=”@fcontent”;
fileContent.SqlDbType=SqlDbType.Image;
fileContent.Size=rtf.Length;
fileContent.Value=rtf;
cmd.Parameters.Add(fileName);
cmd.Parameters.Add(fileContent);
conn.Open();
int success=cmd.ExecuteNonQuery();
if(success==1)
{
MessageBox.Show(“Entered data successfully”);
}
openFileDialog1.SafeFileName- To get the name of file instead of the complete path.
rtfContent.SaveFile- Saving the content of the control in a rtf file.
RichTextBoxStreamType.RichText– This tells that we are saving richtext having some formatting and not just plain text.
Finally through filestream we are reading that file and saving it’s content in our sqlserver table.
Similary to read the rtf content from the database and display it in Richtextbox control, this is what we need to do
// cmd.commandText=”select fileContent from RtfStore where filename=’xyz’ “;
SqlDataReader dr = cmd.ExecuteReader();
if (dr.Read())
{
Byte[] rtf = new Byte[Convert.ToInt32((dr.GetBytes(0, 0,
null, 0, Int32.MaxValue)))];
long bytesReceived = dr.GetBytes(0, 0, rtf, 0, rtf.Length);
ASCIIEncoding encoding = new ASCIIEncoding();
rtfContent.Rtf = encoding.GetString(rtf, 0, Convert.ToInt32(bytesReceived));
}
Bye
Nishant Rana's Weblog 
Excellent article 🙂 — One thing I noticed is that RTF format supports pictures in the document. I tested your code and worked well with text, however if you insert a picture in a RTF document and save it to the DB, then retreive it from the DB to display all the text is there but no picture…
Have you encountered this is there a way around this?
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i sit vs 2008?
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hey, the safeFileName is not in 2005 version……….
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thank you.
i got an idea of how to display rtf data in rich text box.
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Hi All!
Could be display it in Crystal Reports? In VS2008 Crystal Reports versions take it lika a Blob field :S Every one know how to fix it?
Thx.
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PowerBuilder Application development
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Can you tell me code VB.NET & database SQLCE
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gimana caranya menyimpan file.dat yang telah di import ke rich textbox ke database…??
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Hi i want to get rtf document into Richtextbox with full formatting support … Is it possible????
If possible please show me the code….Thanx in advance
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Hi Sandeep,
The code that is here in this post – it was something that i tried 4-5 years back, at that time i did face issue of things not appearing with proper formatting. So it might not be possible.
– Nishant Rana
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