/// <summary>
/// 增加一条数据
/// </summary>
public bool Add(dbamet.Model.Activity model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into Activity(");
strSql.Append("courseId,courseName,courseIntro)");
strSql.Append(" values (");
strSql.Append("@courseId,@courseName,@courseIntro)");
SqlParameter[] parameters =
{
new SqlParameter("@courseId", SqlDbType.Char, 10),
new SqlParameter("@courseName", SqlDbType.VarChar, 50),
new SqlParameter("@courseIntro", SqlDbType.VarChar, 200)
};
parameters[0].Value = model.courseId;
parameters[1].Value = model.courseName;
parameters[2].Value = model.courseIntro;
int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(dbamet.Model.Activity model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update Activity set ");
strSql.Append("courseName=@courseName,");
strSql.Append("courseIntro=@courseIntro");
strSql.Append(" where courseId=@courseId ");
SqlParameter[] parameters =
{
new SqlParameter("@courseName", SqlDbType.VarChar, 50),
new SqlParameter("@courseIntro", SqlDbType.VarChar, 200),
new SqlParameter("@courseId", SqlDbType.Char, 10)
};
parameters[0].Value = model.courseName;
parameters[1].Value = model.courseIntro;
parameters[2].Value = model.courseId;
int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public dbamet.Model.Activity GetModel(string courseId)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 courseId,courseName,courseIntro from Activity ");
strSql.Append(" where courseId=@courseId ");
SqlParameter[] parameters =
{
new SqlParameter("@courseId", SqlDbType.Char, 10)
};
parameters[0].Value = courseId;
dbamet.Model.Activity model = new dbamet.Model.Activity();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
if (ds.Tables[0].Rows[0]["courseId"] != null && ds.Tables[0].Rows[0]["courseId"].ToString() != "")
{
model.courseId = ds.Tables[0].Rows[0]["courseId"].ToString();
}
if (ds.Tables[0].Rows[0]["courseName"] != null && ds.Tables[0].Rows[0]["courseName"].ToString() != "")
{
model.courseName = ds.Tables[0].Rows[0]["courseName"].ToString();
}
if (ds.Tables[0].Rows[0]["courseIntro"] != null && ds.Tables[0].Rows[0]["courseIntro"].ToString() != "")
{
model.courseIntro = ds.Tables[0].Rows[0]["courseIntro"].ToString();
}
return(model);
}
else
{
return(null);
}
}
