Adding A Data File In Database

Feb 11, 2002

We are using SQL server 7.0 as RDBMS for BaaN ERP. We have
created the database file in E: drive. Now E: drive is going to be
exhausted, We are trying to add a new file at different location. When
we add the file into database it creates a file with default extension .ndf
but previous file has the extension .mdf. should we change the extension
of new file to .mdf or we should continue with default extension .ndf.

is it necessary to add a secondary file group or we add a file to the
existing primary group.

thanx in advance

madhu p menon

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Hi there :)

I'm in the final stage of my asp.net project and one of the last things I need to do is add the following file information to my SQL server 2000 database when a file is uploaded:

First of all I have a resource table to which I need to add:
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so that should hopefully be straight forward when the file is uploaded. The next step is to reference the new resource_id in my module_resource table. My module resource table consists of:
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Hi!!!
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Mar 29, 2006

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insertComm.Parameters.Add("@CompLoss", SqlDbType.Float, 4, "Company Loss")

insertComm.Parameters.Add("@IndLossProp", SqlDbType.Float, 4, "IndInsured Loss Prop")

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Dim upComm As New SqlCommand("UPDATE [Test_DB_RMS].[dbo].[AIR_Ouput] " & _

"SET [Event] = @Event " & _

",[Year] = @Year " & _

",[Contract Loss] = @ConLoss " & _

",[Company Loss] = @CompLoss " & _

",[IndInsured Loss Prop] = @IndLossProp " & _

",[IndInsured Loss WC] = @IndLossWC " & _

",[Event Info] = @EventInfo", dbconn)

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upComm.Parameters.Add("@Year", SqlDbType.Float, 4, "Year")

upComm.Parameters.Add("@ConLoss", SqlDbType.Float, 4, "Contract Loss")

upComm.Parameters.Add("@CompLoss", SqlDbType.Float, 4, "Company Loss")

upComm.Parameters.Add("@IndLossProp", SqlDbType.Float, 4, "IndInsured Loss Prop")

upComm.Parameters.Add("@IndLossWC", SqlDbType.Float, 4, "IndInsured Loss WC")

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************* ANY HELP WOULD BE GREATLY APPRECIATED************

THANKS

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Mar 29, 2006



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insertComm.Parameters.Add("@CompLoss", SqlDbType.Float, 4, "Company Loss")

insertComm.Parameters.Add("@IndLossProp", SqlDbType.Float, 4, "IndInsured Loss Prop")

insertComm.Parameters.Add("@IndLossWC", SqlDbType.Float, 4, "IndInsured Loss WC")

insertComm.Parameters.Add("@eventsInfo", SqlDbType.NVarChar, 255, "Event Info")

da.InsertCommand = insertComm

Dim upComm As New SqlCommand("UPDATE [Test_DB_RMS].[dbo].[AIR_Ouput] " & _

"SET [Event] = @Event " & _

",[Year] = @Year " & _

",[Contract Loss] = @ConLoss " & _

",[Company Loss] = @CompLoss " & _

",[IndInsured Loss Prop] = @IndLossProp " & _

",[IndInsured Loss WC] = @IndLossWC " & _

",[Event Info] = @EventInfo", dbconn)

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upComm.Parameters.Add("@Year", SqlDbType.Float, 4, "Year")

upComm.Parameters.Add("@ConLoss", SqlDbType.Float, 4, "Contract Loss")

upComm.Parameters.Add("@CompLoss", SqlDbType.Float, 4, "Company Loss")

upComm.Parameters.Add("@IndLossProp", SqlDbType.Float, 4, "IndInsured Loss Prop")

upComm.Parameters.Add("@IndLossWC", SqlDbType.Float, 4, "IndInsured Loss WC")

upComm.Parameters.Add("@EventsInfo", SqlDbType.NVarChar, 255, "Event Info")

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************* ANY HELP WOULD BE GREATLY APPRECIATED************

THANKS

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using System;using System.Data;using System.Configuration;using System.Collections;using System.Web;using System.Web.Security;using System.Web.UI;using System.Web.UI.WebControls;using System.Web.UI.WebControls.WebParts;using System.Web.UI.HtmlControls;using System.Data.SqlClient;using System.Data.Common;using System.IO;
public partial class uploadFileToDatabase : System.Web.UI.Page{    string strUser;    protected void Page_Load(object sender, EventArgs e)    {      strUser=Request.QueryString["download"];      if(strUser!=null)      {        string strConn="Data Source=hao-pc;Initial Catalog=simpleBBS;Persist Security Info=True;User ID=sa;Password=123;Pooling=False";                SqlDataAdapter sda=new SqlDataAdapter();        DbProviderFactory dbProviderFactory=DbProviderFactories.GetFactory("System.Data.SqlClient");        DbConnection dbConn=dbProviderFactory.CreateConnection();        dbConn.ConnectionString=strConn;        dbConn.Open();        DbCommand dbComm=dbProviderFactory.CreateCommand();        dbComm.Connection=dbConn;        dbComm.CommandText="select * from userFiles2 where fileisn='"+strUser+"'";        IDataReader myReader=dbComm.ExecuteReader();        int strFileLen=0;         if(myReader.Read())        {        strFileLen=Convert.ToInt32(myReader.GetString(3));        FileStream afs;        string fPath;        fPath = Server.MapPath(Request.ApplicationPath) + "\upLoadFiles\" + myReader.GetString(1);        afs = new FileStream(fPath, FileMode.OpenOrCreate, FileAccess.Write);        Byte[] filedata = new Byte[strFileLen];                afs.Write(filedata, 0, strFileLen);                 BinaryWriter abw;                  int iBufferSize=1000;          Byte[] outbyte=new Byte[iBufferSize-1];          long retval;          long starIndex=0;                    abw=new BinaryWriter(afs);          starIndex=0;          int itemNum=4;          retval=myReader.GetBytes(itemNum,starIndex,outbyte,0,iBufferSize);  //when i store  large data into a file it display an error such as "Buffer offset '0' plus the bytes '82452' is greater than the length of the passed in buffer.            abw.Write(outbyte);                        starIndex+=iBufferSize;            retval=myReader.GetBytes(itemNum,starIndex,outbyte,0,iBufferSize);          }              abw.Write(outbyte);            abw.Flush();            abw.Close();            afs.Close();            myReader.Close();            dbComm.Dispose();                   }      }                                      }    protected void Button1_Click(object sender, EventArgs e)    {      string strFileName;      string strFileType;      int strFileLen;      Random ran=new Random();      string strFileISN=DateTime.Now.ToString("yyyyMMddhhmmss")+ran.Next(0,999);      if(FileUpload1.PostedFile.FileName!=null)      {        strFileName=FileUpload1.PostedFile.FileName;        strFileType=strFileName.Substring(strFileName.LastIndexOf(".")+1);        strFileName=strFileName.Substring(strFileName.LastIndexOf("\")+1);        strFileLen=FileUpload1.PostedFile.ContentLength;        string strConn="Data Source=hao-pc;Initial Catalog=simpleBBS;Persist Security Info=True;User ID=sa;Password=123;Pooling=False";                SqlDataAdapter sda=new SqlDataAdapter();        DbProviderFactory dbProviderFactory=DbProviderFactories.GetFactory("System.Data.SqlClient");        DbConnection dbConn=dbProviderFactory.CreateConnection();        dbConn.ConnectionString=strConn;        dbConn.Open();        DbCommand dbComm=dbProviderFactory.CreateCommand();        dbComm.Connection=dbConn;        string dateTime=DateTime.Now.ToString();        Stream fs=FileUpload1.PostedFile.InputStream;        Byte[] filedata=new Byte[strFileLen];        fs.Read(filedata,0,strFileLen);                dbComm.CommandText="insert into userFiles2 (fileisn,filename,filetype,filesize,filecontent,uploadTime) values (@fileisn,@filename,@filetype,@filesize,@filecontent,@uploadTime)";        dbComm.Parameters.Add(new SqlParameter("@fileisn", (object)strFileISN));        dbComm.Parameters.Add(new SqlParameter("@filename",(object)strFileName));        dbComm.Parameters.Add(new SqlParameter("@filetype",(object)strFileType));        dbComm.Parameters.Add(new SqlParameter("@filesize",(object)strFileLen.ToString()));        dbComm.Parameters.Add(new SqlParameter("@filecontent",(object)filedata));        dbComm.Parameters.Add(new SqlParameter("@uploadTime",(object)dateTime));        dbComm.ExecuteNonQuery();        fs.Close();        dbConn.Close();        dbComm.Dispose();        dbConn.Close();      }      }  }
 

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