/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(Learning.Model.RoleUser model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update RoleUser set ");
strSql.Append("UserId=@UserId,");
strSql.Append("RoleID=@RoleID");
strSql.Append(" where Id=@Id");
SqlParameter[] parameters =
{
new SqlParameter("@UserId", SqlDbType.Int, 4),
new SqlParameter("@RoleID", SqlDbType.Int, 4),
new SqlParameter("@Id", SqlDbType.Int, 4)
};
parameters[0].Value = model.UserId;
parameters[1].Value = model.RoleID;
parameters[2].Value = model.Id;
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 Add(Learning.Model.RoleUser model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into RoleUser(");
strSql.Append("UserId,RoleID)");
strSql.Append(" values (");
strSql.Append("@UserId,@RoleID)");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@UserId", SqlDbType.Int, 4),
new SqlParameter("@RoleID", SqlDbType.Int, 4)
};
parameters[0].Value = model.UserId;
parameters[1].Value = model.RoleID;
object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters);
if (obj == null)
{
return(0);
}
else
{
return(Convert.ToInt32(obj));
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public Learning.Model.RoleUser DataRowToModel(DataRow row)
{
Learning.Model.RoleUser model = new Learning.Model.RoleUser();
if (row != null)
{
if (row["Id"] != null && row["Id"].ToString() != "")
{
model.Id = int.Parse(row["Id"].ToString());
}
if (row["UserId"] != null && row["UserId"].ToString() != "")
{
model.UserId = int.Parse(row["UserId"].ToString());
}
if (row["RoleID"] != null && row["RoleID"].ToString() != "")
{
model.RoleID = int.Parse(row["RoleID"].ToString());
}
}
return(model);
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public Learning.Model.RoleUser GetModel(int Id)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 Id,UserId,RoleID from RoleUser ");
strSql.Append(" where Id=@Id");
SqlParameter[] parameters =
{
new SqlParameter("@Id", SqlDbType.Int, 4)
};
parameters[0].Value = Id;
Learning.Model.RoleUser model = new Learning.Model.RoleUser();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}
