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分享DataSet myds = boperate.getds(M_str_sqlSerch + " where starttime.text <= ChengyunDay and ChengyunDay <= endtime.text", M_str_table);
DataSet myds = boperate.getds(M_str_sqlSerch + " where ChengyunDay >='"+starttime.Text.ToString("yyyy-mm-dd")+"' and ChengyunDay <= '"+endtime.Text.ToString("yyyy-mm-dd 23:59:59")+"'", M_str_table);
StringBuilder sql=new StringBuilder();
sql.Append("select * from tableName");
sql.Append(" where ChengyunDay between @beingDate and @endDate");
SqlParameter[] param = new SqlParameter[] {
new SqlParameter("@beingDate ",SqlDbType.DateTime),
new SqlParameter("@endDate",SqlDbType.DateTime)
};
param[0].Value=txt1.Text.Trim();
param[1].Value=txt2.Text.Trim();