先定义数据行的状态
1
/// <summary>
2
/// 数据行的状态
3
/// </summary>
4
public enum RowState
5
{
6
/// <summary>
7
/// 新建状态
8
/// </summary>
9
Added,
10
/// <summary>
11
/// 删除状态
12
/// </summary>
13
Deleted,
14
/// <summary>
15
/// 修改状态
16
/// </summary>
17
Modified,
18
/// <summary>
19
/// 为止状态
20
/// </summary>
21
Unchanged
22
}
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockStart.gif)
2
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
3
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockEnd.gif)
4
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
5
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockStart.gif)
6
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
7
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
8
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
9
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
10
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
11
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
12
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
13
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
14
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
15
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
16
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
17
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
18
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
19
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
20
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
21
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
22
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockEnd.gif)
开始定义数据行了
1
/// <summary>
2
/// 数据行
3
/// </summary>
4
public class Row
5
{
6
private object[] datas;
7
private System.Collections.ArrayList colNames;
8![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
9
/// <summary>
10
/// 该数据行所依赖的表的名称
11
/// </summary>
12
public readonly string TableName;
13
/// <summary>
14
/// 该数据行的状态
15
/// </summary>
16
public RowState RowState;
17![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
18![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
19
protected internal Row(ColumnCollection columns, string tableName)
20
{
21
datas = new object[columns.Count];
22
this.TableName = tableName;
23
colNames = new System.Collections.ArrayList();
24
foreach (Column col in columns)
25
{
26
colNames.Add(col.ColumnName);
27
}
28
}
29![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
30![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
31![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
32
/// <summary>
33
/// 获取或设置行的指定列的数据
34
/// </summary>
35
/// <param name="index">列的索引号,从0开始</param>
36
/// <returns>列中存储的数据</returns>
37
public object this[int index]
38
{
39
set
40
{
41
datas[index] = value;
42
this.RowState = RowState.Modified;
43
}
44
get
45
{
46
return datas[index];
47
}
48
}
49![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
50
/// <summary>
51
/// 获取或设置行的指定列的数据
52
/// </summary>
53
/// <param name="columnName">列的名称</param>
54
/// <returns>列中存储的数据</returns>
55
public object this[string columnName]
56
{
57
set
58
{
59
this[colNames.IndexOf(columnName)] = value;
60
}
61
get
62
{
63
return this[colNames.IndexOf(columnName)];
64
}
65
}
66
67![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
68
/// <summary>
69
/// 获取或设置行的全部数据
70
/// </summary>
71
public object[] ItemArray
72
{
73
get
74
{
75
return datas;
76
}
77
set
78
{
79
if (value.Length == datas.Length)
80
{
81
datas = value;
82
this.RowState = RowState.Modified;
83
}
84
}
85
}
86![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
87
/// <summary>
88
/// 将该行数据状态改为RowState.Unchanged
89
/// </summary>
90
public void AcceptChanges()
91
{
92
this.RowState = RowState.Unchanged;
93
}
94![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
95
/// <summary>
96
/// 为该行作删除标记
97
/// </summary>
98
public void Delete()
99
{
100
this.RowState = RowState.Deleted;
101
}
102![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
103
/// <summary>
104
/// 将该行的状态设置为RowState.Added
105
/// </summary>
106
public void SetAdded()
107
{
108
if (this.RowState == RowState.Unchanged)
109
{
110
this.RowState = RowState.Added;
111
}
112
}
113![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
114
/// <summary>
115
/// 将该行数据状态设置为RowState.Modified
116
/// </summary>
117
public void SetModified()
118
{
119
if (this.RowState == RowState.Unchanged || this.RowState == RowState.Added)
120
{
121
this.RowState = RowState.Modified;
122
}
123
}
124
}
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockStart.gif)
2
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
3
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockEnd.gif)
4
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
5
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockStart.gif)
6
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
7
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
8
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
9
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
10
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
11
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
12
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
13
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
14
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
15
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
16
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
17
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
18
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
19
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
20
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
21
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
22
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
23
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
24
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
25
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
26
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
27
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
28
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
29
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
30
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
31
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
32
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
33
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
34
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
35
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
36
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
37
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
38
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
39
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
40
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
41
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
42
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
43
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
44
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
45
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
46
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
47
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
48
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
49
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
50
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
51
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
52
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
53
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
54
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
55
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
56
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
57
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
58
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
59
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
60
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
61
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
62
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
63
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
64
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
65
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
66
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
67
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
68
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
69
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
70
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
71
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
72
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
73
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
74
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
75
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
76
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
77
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
78
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
79
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
80
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
81
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
82
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
83
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
84
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
85
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
86
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
87
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
88
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
89
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
90
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
91
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
92
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
93
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
94
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
95
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
96
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
97
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
98
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
99
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
100
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
101
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
102
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
103
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
104
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
105
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
106
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
107
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
108
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
109
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
110
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
111
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
112
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
113
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
114
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
115
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
116
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
117
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
118
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
119
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
120
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
121
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
122
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
123
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
124
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockEnd.gif)
下一篇,我们定义Column和ColumnCollection