class Program
{
static string connString = "Data Source=1.1.1.1;INITIAL CATALOG=dbname;USER ID=userid;PASSWORD=password;";
static SqlConnection conn;
static void Main(string[] args)
{
//连接excel数据库
//读取数据到dataSet
DataTable dt = ReadFromExcel();
//连接sqlserver数据库
//循环dataSet，拼接insert
WriteToExcel(dt);
}
private static void WriteToExcel(DataTable dt)
{
conn = new SqlConnection(connString);
conn.Open();
DataRow dr = dt.NewRow();
for (int i = 0; i < dt.Rows.Count; i++)
{
dr = dt.Rows[i];
//拼接sql并执行
InsertIntoSql(dr);
}
}
private static void InsertIntoSql(DataRow dr)
{
string DepartmentId = dr[0].ToString();
string Name = dr[1].ToString();
string Code = dr[2].ToString();
string DeptStatus = dr[3].ToString();
string ParentDeptCode = dr[4].ToString();
string DeptLevel = dr[5].ToString();
string DeptCOACode = DataRowValue(dr, 6);
string DEPTSAPCode = DataRowValue(dr, 7);
string DeptMngerID = DataRowValue(dr, 8);
string DeptSecretaryID = DataRowValue(dr, 9);
string sql = @"insert into xx(xxx,xx,xx,xxx,xx,xx,x,x,x,x) values(\'{0}\',\'{1}\',\'{2}\',{3},\'{4}\',{5},\'{6}\',\'{7}\',\'{8}\',\'{9}\')";
string insertSql = string.Format(sql, DepartmentId, Name, Code, DeptStatus, ParentDeptCode, DeptLevel, DeptCOACode, DEPTSAPCode, DeptMngerID, DeptSecretaryID);
SqlCommand cmd = new SqlCommand(insertSql, conn);
cmd.ExecuteNonQuery();
}
private static string DataRowValue(DataRow dr, int p)
{
if (!dr.IsNull(p))
{
return dr[p].ToString();
}
else return "null";
}
private static DataTable ReadFromExcel()
{
string ConnStr = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:/Users/xxx/Downloads/tmp.xlsx;Extended Properties=\'Excel 8.0;HDR=NO;IMEX=1\';"; //连接字符串
OleDbConnection Conn = new OleDbConnection(ConnStr);
Conn.Open();
string sql = string.Format("select * from [{0}$]", "Sheet1"); //Sheet1为工作表的名称
DataSet ds = new DataSet();
OleDbDataAdapter da = new OleDbDataAdapter(sql, Conn);
da.Fill(ds); //读取数据填充到DataSet
return ds.Tables[0];
}
}
//string strConn = "Provider=Microsoft.Jet.OleDb.4.0;" + "data source=" + Server.MapPath("ExcelFiles/MyExcelFile.xls") + ";Extended Properties=\'Excel 8.0; HDR=Yes; IMEX=1\'"; //此连接只能操作Excel2007之前(.xls)文件
string strConn = "Provider=Microsoft.Ace.OleDb.12.0;" + "data source=" + Server.MapPath("ExcelFiles/Mydata2007.xlsx") + ";Extended Properties=\'Excel 12.0; HDR=Yes; IMEX=1\'"; //此连接可以操作.xls与.xlsx文件 (支持Excel2003 和 Excel2007 的连接字符串)
//备注： "HDR=yes;"是说Excel文件的第一行是列名而不是数据，"HDR=No;"正好与前面的相反。
// "IMEX=1 "如果列中的数据类型不一致，使用"IMEX=1"可必免数据类型冲突。
OleDbConnection conn = new OleDbConnection(strConn);
OleDbDataAdapter adp = new OleDbDataAdapter("Select * from [Sheet1$]", conn);
DataSet ds = new DataSet();
adp.Fill(ds, "Book1");
this.GridView1.DataSource = ds.Tables["Book1"].DefaultView;
this.GridView1.DataBind();