[英]INSERT INTO Access table from CSV file via C# code
我有这张桌子:
Items
====
Barcode (text)
Des (text)
Price (double)
我在d:\\Items.csv
上制作了csv文件,用于快速插入(12345,computer,120.44).....
我尝试像这样插入(C#WinForm程序):
Cmd = Conn.CreateCommand();
SQL = @"INSERT INTO Items SELECT * FROM [Text;DATABASE=" + @"d:" + @"\].[Items.txt];";
Cmd.CommandText = SQL;
Cmd.ExecuteNonQuery();
但我有2个错误:
1. Data type mismatch in criteria expression.
2. The field 'Items.Barcode ' cannot contain a Null value because the Required property for this field is set to True. Enter a value in this field.
怎么解决这个问题?
以下C#代码适用于我。 它将C:\\Users\\Public\\Items.csv
导入到Access 2010数据库C:\\Users\\Public\\Database1.accdb
中名为[Items]的表中。 CSV文件的内容很简单
12345,computer,120.44
代码是
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data.Odbc;
namespace myDbTest
{
class Program
{
static void Main(string[] args)
{
string myConnectionString;
myConnectionString =
@"Driver={Microsoft Access Driver (*.mdb, *.accdb)};" +
@"Dbq=C:\Users\Public\Database1.accdb;";
using (var con = new OdbcConnection())
{
con.ConnectionString = myConnectionString;
con.Open();
using (var cmd = new OdbcCommand())
{
cmd.Connection = con;
cmd.CommandType = System.Data.CommandType.Text;
cmd.CommandText =
@"INSERT INTO Items " +
@"SELECT * FROM [Text;FMT=Delimited;HDR=NO;IMEX=2;CharacterSet=437;ACCDB=YES;Database=C:\Users\Public].[Items#csv];";
cmd.ExecuteNonQuery();
}
con.Close();
}
}
}
}
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