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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); //»ñµÃExcel
}
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; //»ñµÃExcelÖÐÊý¾Ý³¤¶È
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create proc pr_select_Natural
(
@CDATE datetime,
@FAC_NAME varchar(50),
@BATTERY_TYPE varchar(20),
@MAKE_MODE varchar(20),
@PRODUCE_MODE varchar(20),
@YEAR char(4),
@MONTH char(2 ......
¡¡¡¡Ïò±íÖÐÔö¼ÓÒ»¸ö varchar ÁУº
¡¡¡¡ALTER TABLE distributors ADD COLUMN address varchar(30);
¡¡¡¡´Ó±íÖÐɾ³ýÒ»¸ö×ֶΣº
¡¡¡¡ALTER TABLE distributors DROP COLUMN address RESTRICT;
¡¡¡¡ÔÚÒ»¸ö²Ù×÷ÖÐÐÞ¸ÄÁ½¸öÏÖÓÐ×ֶεÄÀàÐÍ£º
¡¡¡¡ALTER TABLE distributors
¡¡¡¡ALTER COLUMN address TYPE varchar(80),
......