/// <summary>
/// 增加一条数据
/// </summary>
public int Add(CSLG.CTalk.Model.friendInfo model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into friendInfo(");
strSql.Append("userID,friendID,friendName)");
strSql.Append(" values (");
strSql.Append("@userID,@friendID,@friendName)");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@userID", SqlDbType.Int, 4),
new SqlParameter("@friendID", SqlDbType.Int, 4),
new SqlParameter("@friendName", SqlDbType.NVarChar, 50)
};
parameters[0].Value = model.userID;
parameters[1].Value = model.friendID;
parameters[2].Value = model.friendName;
object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters);
if (obj == null)
{
return(0);
}
else
{
return(Convert.ToInt32(obj));
}
}
/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(CSLG.CTalk.Model.friendInfo model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update friendInfo set ");
strSql.Append("userID=@userID,");
strSql.Append("friendID=@friendID,");
strSql.Append("friendName=@friendName");
strSql.Append(" where ID=@ID");
SqlParameter[] parameters =
{
new SqlParameter("@userID", SqlDbType.Int, 4),
new SqlParameter("@friendID", SqlDbType.Int, 4),
new SqlParameter("@friendName", SqlDbType.NVarChar, 50),
new SqlParameter("@ID", SqlDbType.Int, 4)
};
parameters[0].Value = model.userID;
parameters[1].Value = model.friendID;
parameters[2].Value = model.friendName;
parameters[3].Value = model.ID;
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 CSLG.CTalk.Model.friendInfo GetModel(int ID)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 ID,userID,friendID,friendName from friendInfo ");
strSql.Append(" where ID=@ID");
SqlParameter[] parameters =
{
new SqlParameter("@ID", SqlDbType.Int, 4)
};
parameters[0].Value = ID;
CSLG.CTalk.Model.friendInfo model = new CSLG.CTalk.Model.friendInfo();
DataSet ds = DbHelperSQL.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]["userID"] != null && ds.Tables[0].Rows[0]["userID"].ToString() != "")
{
model.userID = int.Parse(ds.Tables[0].Rows[0]["userID"].ToString());
}
if (ds.Tables[0].Rows[0]["friendID"] != null && ds.Tables[0].Rows[0]["friendID"].ToString() != "")
{
model.friendID = int.Parse(ds.Tables[0].Rows[0]["friendID"].ToString());
}
if (ds.Tables[0].Rows[0]["friendName"] != null && ds.Tables[0].Rows[0]["friendName"].ToString() != "")
{
model.friendName = ds.Tables[0].Rows[0]["friendName"].ToString();
}
return(model);
}
else
{
return(null);
}
}
