/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(ForKids.DB.Model.COURSEBASE model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update COURSEBASE set ");
strSql.Append("NAME=@NAME,");
strSql.Append("GRADEID=@GRADEID,");
strSql.Append("DESCRIPTION=@DESCRIPTION");
strSql.Append(" where ID=@ID");
OleDbParameter[] parameters =
{
new OleDbParameter("@NAME", OleDbType.VarChar, 20),
new OleDbParameter("@GRADEID", OleDbType.Integer, 4),
new OleDbParameter("@DESCRIPTION", OleDbType.VarChar, 255),
new OleDbParameter("@ID", OleDbType.Integer, 4)
};
parameters[0].Value = model.NAME;
parameters[1].Value = model.GRADEID;
parameters[2].Value = model.DESCRIPTION;
parameters[3].Value = model.ID;
int rows = DbHelperOleDb.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 增加一条数据
/// </summary>
public bool Add(ForKids.DB.Model.COURSEBASE model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into COURSEBASE(");
strSql.Append("NAME,GRADEID,DESCRIPTION)");
strSql.Append(" values (");
strSql.Append("@NAME,@GRADEID,@DESCRIPTION)");
OleDbParameter[] parameters =
{
new OleDbParameter("@NAME", OleDbType.VarChar, 20),
new OleDbParameter("@GRADEID", OleDbType.Integer, 4),
new OleDbParameter("@DESCRIPTION", OleDbType.VarChar, 255)
};
parameters[0].Value = model.NAME;
parameters[1].Value = model.GRADEID;
parameters[2].Value = model.DESCRIPTION;
int rows = DbHelperOleDb.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public ForKids.DB.Model.COURSEBASE GetModel(int ID)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select ID,NAME,GRADEID,DESCRIPTION from COURSEBASE ");
strSql.Append(" where ID=@ID");
OleDbParameter[] parameters =
{
new OleDbParameter("@ID", OleDbType.Integer, 4)
};
parameters[0].Value = ID;
ForKids.DB.Model.COURSEBASE model = new ForKids.DB.Model.COURSEBASE();
DataSet ds = DbHelperOleDb.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
if (ds.Tables[0].Rows[0]["ID"] != null && ds.Tables[0].Rows[0]["ID"].ToString() != "")
{
model.ID = int.Parse(ds.Tables[0].Rows[0]["ID"].ToString());
}
if (ds.Tables[0].Rows[0]["NAME"] != null && ds.Tables[0].Rows[0]["NAME"].ToString() != "")
{
model.NAME = ds.Tables[0].Rows[0]["NAME"].ToString();
}
if (ds.Tables[0].Rows[0]["GRADEID"] != null && ds.Tables[0].Rows[0]["GRADEID"].ToString() != "")
{
model.GRADEID = int.Parse(ds.Tables[0].Rows[0]["GRADEID"].ToString());
}
if (ds.Tables[0].Rows[0]["DESCRIPTION"] != null && ds.Tables[0].Rows[0]["DESCRIPTION"].ToString() != "")
{
model.DESCRIPTION = ds.Tables[0].Rows[0]["DESCRIPTION"].ToString();
}
return(model);
}
else
{
return(null);
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public ForKids.DB.Model.COURSEBASE GetModel(int ID)
{
StringBuilder strSql=new StringBuilder();
strSql.Append("select ID,NAME,GRADEID,DESCRIPTION from COURSEBASE ");
strSql.Append(" where ID=@ID");
OleDbParameter[] parameters = {
new OleDbParameter("@ID", OleDbType.Integer,4)
};
parameters[0].Value = ID;
ForKids.DB.Model.COURSEBASE model=new ForKids.DB.Model.COURSEBASE();
DataSet ds=DbHelperOleDb.Query(strSql.ToString(),parameters);
if(ds.Tables[0].Rows.Count>0)
{
if(ds.Tables[0].Rows[0]["ID"]!=null && ds.Tables[0].Rows[0]["ID"].ToString()!="")
{
model.ID=int.Parse(ds.Tables[0].Rows[0]["ID"].ToString());
}
if(ds.Tables[0].Rows[0]["NAME"]!=null && ds.Tables[0].Rows[0]["NAME"].ToString()!="")
{
model.NAME=ds.Tables[0].Rows[0]["NAME"].ToString();
}
if(ds.Tables[0].Rows[0]["GRADEID"]!=null && ds.Tables[0].Rows[0]["GRADEID"].ToString()!="")
{
model.GRADEID=int.Parse(ds.Tables[0].Rows[0]["GRADEID"].ToString());
}
if(ds.Tables[0].Rows[0]["DESCRIPTION"]!=null && ds.Tables[0].Rows[0]["DESCRIPTION"].ToString()!="")
{
model.DESCRIPTION=ds.Tables[0].Rows[0]["DESCRIPTION"].ToString();
}
return model;
}
else
{
return null;
}
}
