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SQL Bulk copy from DataTable or DataSet in ASP.NET, C#

Jan 24, 2015

Today in this post I will show you how to copy multiple data into database table at a time. I am sure you have wrote single INSERT statement to insert a single row to database. Or you have used a for loop or a foreach loop to run multiple insert query. But apart form all these in this post I will show you how to insert data into database table in bulk at a time.


Previously we have seen How to Import data from EXCEL to SQL Database in ASP.NET, C#- Import/Upload Data from Excel to SQL Server 2008 in using C#, VB.Net, Pass XML as Parameter from C# to SQL Stored Procedure in VB.NET. And now we will learn how to entry bulk data into database. So what are you waiting for? Start a new project and a new database.

Before proceeding just create the database first. Name it as you like and create a table,

Name NVarChar(255) not null
Adderss NVarChar(255) not null
Phone NVarChar(12) not null

Again named the table as you want. Now its time for coding. 

Create a new web page and add a button. We will write code against the button click.  Here I am showing you with a DataTable. According to your requirement you put data into the DataTable and proceed.

DataTable dt = new DataTable();



Now we will convert this DataTable into an XML formatted string and will pass that XML file to server. Lets see how?

private static string ConvertToXML(DataTable dt)
      DataSet dsBuildSQL = new DataSet();
      StringBuilder sbSQL;
      StringWriter swSQL;
      string XMLformat;
           sbSQL = new StringBuilder();
           swSQL = new StringWriter(sbSQL);
           dsBuildSQL.Merge(dt, trueMissingSchemaAction.AddWithKey);
           dsBuildSQL.Tables[0].TableName = "DataTable";
           foreach (DataColumn col in dsBuildSQL.Tables[0].Columns)
               col.ColumnMapping = MappingType.Attribute;
           dsBuildSQL.WriteXml(swSQL, XmlWriteMode.WriteSchema);
           XMLformat = sbSQL.ToString();
           return XMLformat;
       catch (Exception sysException)
           throw sysException;

Now its time to send that string to database to make entry. We will use a stored procedure to do this.

(@xmlString VARCHAR(MAX))

      DECLARE @xmlHandle INT
      DECLARE @stagingTable TABLE
         [Name]               VARCHAR(50),
         [Address]            VARCHAR(50),
         [Phone]              VARCHAR(50)
      EXEC sp_xml_preparedocument @xmlHandle output, @xmlString 

      INSERT INTO @stagingTable
      SELECT  [Name]    ,
      FROM  OPENXML (@xmlHandle, '/DataTable',1)
                        WITH ([Name]            varchar(50)       '@Name',
                                [Address]       varchar(50)       '@Address',
                                [Phone]         varchar(50)       '@Phone'

      INSERT INTO SampleData ([Name], [Address], [Phone])
            (SELECT [Name] , [Address],[Phone]FROM @stagingTable)
      EXEC sp_xml_removedocument @xmlHandle

Execute the procedure and save it into your database. And now write the code to execute the stored procedure.

SqlConnection conn = newSqlConnection(WebConfigurationManager.ConnectionStrings["connection"].ToString());
SqlCommand command = new SqlCommand("sp_InsertData '" + xmlData + "'", conn);

Now execute all this code all along. Run the project and check your database after executing the application.

Arkadeep De

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sandeep said...

sp is not working please verify it (0) rows effected

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