1. By Chetan Dhamija
1
Steps
To
Import MS Excel Data to SQL
Server table
Using C# .Net

2. By Chetan Dhamija
2
If you already have data in MS Excel file, and want to migrate your MS Excel data to SQL Server table,
follow below steps
Step 1: Let’s take an example to import the data to SQL Server table, I am going to import student
information data from MS excel sheet to Student SQL table,
My Excel sheet structure is looks like
Step 2: Now design a Student table in SQL server
CREATE TABLE
(
STUDENT VARCHAR(64),
ROLLNO VARCHAR(16),
COURSE VARCHAR(32),
)
Your MS excel sheet and SQL table is ready, now it’s time to write c# code to import the excel sheet into
Student table

3. By Chetan Dhamija
3
Step 3: Add these two namespaces in your class file
using System.Data.OleDb;
using System.Data.SqlClient;
Step 4: Add below method in your class file, you can call this method from any other class and pass the
excel file path
public void importdatafromexcel(string excelfilepath)
{
//declare variables - edit these based on your particular situation
string ssqltable = "datamigrationtable";
// make sure your sheet name is correct, here sheet name is sheet1, so you
can change your sheet name if have different
string myexceldataquery = "select student,rollno,course from [sheet1$]";
try
{
//create our connection strings
string excelconnectionstring = @"provider=microsoft.jet.oledb.4.0;data
source=" + excelfilepath + "; extended properties=" + ""excel 8.0;
hdr=yes;"";
string ssqlconnectionstring = "server= mydatabaseservername;
userid=dbuserid; password=dbuserpassword; database=databasename;
connection reset=false";
//execute a query to erase any previous data from our destination table
string sclearsql = "delete from " + ssqltable;
SqlConnection sqlconn = new SqlConnection(ssqlconnectionstring);
SqlCommand sqlcmd = new SqlCommand(sclearsql, sqlconn);
sqlconn.Open();
sqlcmd.ExecuteNonQuery();
sqlconn.Close();
//series of commands to bulk copy data from the excel file into our sql
table
OleDbConnection oledbconn = new OleDbConnection(excelconnectionstring);
OleDbCommand oledbcmd = new OleDbCommand(myexceldataquery, oledbconn);
oledbconn.Open();
OleDbDataReader dr = oledbcmd.ExecuteReader();
SqlBulkCopy bulkcopy = new SqlBulkCopy(ssqlconnectionstring);
bulkcopy.DestinationTableName = ssqltable;
while (dr.Read())
{
bulkcopy.WriteToServer(dr);
}
oledbconn.Close();
}
catch (Exception ex)
{
//handle exception
}
}