Excel中数据导入到SQL Server数据库
using System.Data.SqlClient;
using System.Data.OleDb;
private void tsmiImportTeacherInfo_Click(object sender, EventArgs e)
{
DataSet ds;
if (ofdImport.ShowDialog()==DialogResult.OK)
{
ds = ImportExcel(this.ofdImport.FileName); //获得Excel
}
else
{
return;
}
int odr = 0;
SqlConnection cn = db.sqlconnection();
try
{
cn.Open();
string str = "insert into Teacher (TeacherId,Pwd,eachCourse,TeacherName) values(@TeacherId,@Pwd,@TeachCourse,@TeacherName)";
SqlCommand cmd = db.sqlcommand(str,cn);
int dsLength = ds.Tables[0].Rows.Count; //获得Excel中数据长度
for (int i = 0; i < dsLength; i++)
{
cmd.Parameters.Add("@TeacherId", SqlDbType.VarChar, 50).Value = ds.Tables["Teacher "].Rows[i][0];
cmd.Parameters.Add("@Pwd", SqlDbType.VarChar, 50).Value = ds.Tables["Teacher "].Rows[i][1];
cmd.Parameters.Add("@TeachCourse", SqlDbType.VarChar, 300).Value = ds.Tables["Teacher "].Rows[i][2];
cmd.Parameters.Add("@TeacherName", SqlDbType.VarChar, 50).Value = ds.Tables["Teacher "].Rows[i][3];
odr = cmd.ExecuteNonQuery();//提交
cmd.Parameters.Clear(); //清除前的赋值
}
//如果查到了数据，才使控制分页按钮生效
if (odr > 0)
{
MessageBox.Show("导入成功！", "系统提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
cn.Close();
}
catch (Exception ex)
{
throw ex;
}
}
public static DataSet ImportExcel(string file)
{
FileInfo FileInfo = new FileInfo(file);
if (!FileInfo.Exists)
{
return null;
}
string strcn = @"Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + file + ";Extended Properties='Excel 12.0 Xml;HDR=YES;IMEX=1;'";
OleDbConnection cn = new OleDbConnection(strcn);
DataSet ds = new DataSet();
try
{
cn.Open();
string strcmd = "select * from [Sheet1$]";
OleDbDataAdapter da = new OleDbDataAdapter(strcmd,cn);
da.Fill(ds, "Teacher ");
return ds;
}
catch (Exception ex)
{
throw ex;
}
}
本文来自CSDN博客，转载请标明出处：http://blog.csdn.net/crx05/archive/2009/12/17/5023589.aspx
