/// <summary>
/// 得到一个对象实体
/// </summary>
public Model.tbMessage GetModelTran(int id, SqlTransaction transaction)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select id, messagetitle, messagecontent, createtime, userid, visitcount ");
strSql.Append(" from tbMessage ");
strSql.Append(" where id=@id");
SqlParameter[] parameters =
{
new SqlParameter("@id", SqlDbType.Int, 4)
};
parameters[0].Value = id;
Util.MyUtil.PrintSql(strSql.ToString());
Model.tbMessage model = new Model.tbMessage();
DataSet ds = SQLHelper.ExecuteDataset(transaction, CommandType.Text, strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
if (ds.Tables[0].Rows[0]["id"].ToString() != "")
{
model.id = int.Parse(ds.Tables[0].Rows[0]["id"].ToString());
}
model.messagetitle = ds.Tables[0].Rows[0]["messagetitle"].ToString();
model.messagecontent = ds.Tables[0].Rows[0]["messagecontent"].ToString();
if (ds.Tables[0].Rows[0]["createtime"].ToString() != "")
{
model.createtime = DateTime.Parse(ds.Tables[0].Rows[0]["createtime"].ToString());
}
if (ds.Tables[0].Rows[0]["userid"].ToString() != "")
{
model.userid = int.Parse(ds.Tables[0].Rows[0]["userid"].ToString());
}
if (ds.Tables[0].Rows[0]["visitcount"].ToString() != "")
{
model.visitcount = int.Parse(ds.Tables[0].Rows[0]["visitcount"].ToString());
}
return(model);
}
else
{
return(null);
}
}
/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(Model.tbMessage model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update tbMessage set ");
strSql.Append(" messagetitle = @messagetitle , ");
strSql.Append(" messagecontent = @messagecontent , ");
strSql.Append(" createtime = @createtime , ");
strSql.Append(" userid = @userid , ");
strSql.Append(" visitcount = @visitcount ");
strSql.Append(" where id=@id ");
SqlParameter[] parameters =
{
new SqlParameter("@id", SqlDbType.Int, 4),
new SqlParameter("@messagetitle", SqlDbType.NVarChar, 50),
new SqlParameter("@messagecontent", SqlDbType.Text, 999999),
new SqlParameter("@createtime", SqlDbType.DateTime),
new SqlParameter("@userid", SqlDbType.Int, 4),
new SqlParameter("@visitcount", SqlDbType.Int, 4)
};
parameters[0].Value = model.id;
parameters[1].Value = model.messagetitle;
parameters[2].Value = model.messagecontent;
parameters[3].Value = model.createtime;
parameters[4].Value = model.userid;
parameters[5].Value = model.visitcount; Util.MyUtil.PrintSql(strSql.ToString());
int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 增加一条数据
/// </summary>
public int AddTran(Model.tbMessage model, SqlTransaction transaction)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into tbMessage(");
strSql.Append("messagetitle,messagecontent,createtime,userid,visitcount");
strSql.Append(") values (");
strSql.Append("@messagetitle,@messagecontent,@createtime,@userid,@visitcount");
strSql.Append(") ");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@messagetitle", SqlDbType.NVarChar, 50),
new SqlParameter("@messagecontent", SqlDbType.NVarChar, 3000),
new SqlParameter("@createtime", SqlDbType.DateTime),
new SqlParameter("@userid", SqlDbType.Int, 4),
new SqlParameter("@visitcount", SqlDbType.Int, 4)
};
parameters[0].Value = model.messagetitle;
parameters[1].Value = model.messagecontent;
parameters[2].Value = model.createtime;
parameters[3].Value = model.userid;
parameters[4].Value = model.visitcount;
object obj = SQLHelper.ExecuteScalar(transaction, CommandType.Text, strSql.ToString(), parameters);
if (obj == null)
{
return(0);
}
else
{
return(Convert.ToInt32(obj));
}
Util.MyUtil.PrintSql(strSql.ToString());
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public Model.tbMessage GetModelTran(int id ,SqlTransaction transaction)
{
StringBuilder strSql=new StringBuilder();
strSql.Append("select id, messagetitle, messagecontent, createtime, userid, visitcount ");
strSql.Append(" from tbMessage ");
strSql.Append(" where id=@id");
SqlParameter[] parameters = {
new SqlParameter("@id", SqlDbType.Int,4)
};
parameters[0].Value = id;
Util.MyUtil.PrintSql(strSql.ToString());
Model.tbMessage model=new Model.tbMessage();
DataSet ds=SQLHelper.ExecuteDataset(transaction,CommandType.Text, strSql.ToString(), parameters);
if(ds.Tables[0].Rows.Count>0)
{
if(ds.Tables[0].Rows[0]["id"].ToString()!="")
{
model.id=int.Parse(ds.Tables[0].Rows[0]["id"].ToString());
}
model.messagetitle= ds.Tables[0].Rows[0]["messagetitle"].ToString();
model.messagecontent= ds.Tables[0].Rows[0]["messagecontent"].ToString();
if(ds.Tables[0].Rows[0]["createtime"].ToString()!="")
{
model.createtime=DateTime.Parse(ds.Tables[0].Rows[0]["createtime"].ToString());
}
if(ds.Tables[0].Rows[0]["userid"].ToString()!="")
{
model.userid=int.Parse(ds.Tables[0].Rows[0]["userid"].ToString());
}
if(ds.Tables[0].Rows[0]["visitcount"].ToString()!="")
{
model.visitcount=int.Parse(ds.Tables[0].Rows[0]["visitcount"].ToString());
}
return model;
}
else
{
return null;
}
}
