
简单说下
默认情况下,用户可以通过在当前 DataGridView 文本框单元格中键入或按 F2 键来编辑该单元格的内容。当满足下面的所有条件时,单元格将进入编辑模式:
能对基础数据源进行编辑。
DataGridView 控件已启用。
EditMode 属性值不为 EditProgrammatically。
单元格、行、列和控件的 ReadOnly 属性都设置为 false。
在编辑模式中,用户可以更改单元格的值,并可按 Enter 键提交更改,或按 Esc 键将单元格恢复为其原始值。
可以配置 DataGridView 控件,以使单元格在成为当前单元格时立即进入编辑模式。在此情况下 Enter 和 Esc 键的行为不变,但在提交或恢复值后单元格保持在编辑模式中。也可以配置控件,以使仅当用户在单元格中键入或仅当用户按 F2 键时,单元格才进入编辑模式。最后,可以防止单元格进入编辑模式,除非调用 BeginEdit 方法。
接下来就是DataGridViewCellEndEdit 事件的表演时间(在为当前选定的单元格停止编辑模式时发生)
如下:
protect void dataGridView1_CellEndEdit(object sender, DataGridViewCellEventArgs e)
{
//我这里假设你需要的数据类型为 string 那么就可以用下面方法或得到当前所编辑单元格
//的值,然后你就可以 *** 作数据库进行数据添加了
string strData = (string)dataGridView1Rows[eRowIndex]Cells[eColumnIndex]Value;
// 更改数据到数据库
// DbClassGetInstance()Add(strData);
}
不知是否能解决您的问题。
您好:
package comexmythandroid;
public class ListEditorAdapter extends BaseAdapter {
private LayoutInflater mInflater;
private List<Map<String, Object>> mData;// 存储的EditText值
public Map<String, String> editorValue = new HashMap<String, String>();//
public ListEditorAdapter(Context context, List<Map<String, Object>> data) {
mData = data;
mInflater = LayoutInflaterfrom(context);
init();
}
// 初始化
private void init() {
editorValueclear();
}
@Override
public int getCount() {
return mDatasize();
}
@Override
public Object getItem(int position) {
return null;
}
@Override
public long getItemId(int position) {
return 0;
}
private Integer index = -1;
@Override
public View getView(int position, View convertView, ViewGroup parent) {
ViewHolder holder = null;
// convertView为null的时候初始化convertView。
if (convertView == null) {
holder = new ViewHolder();
convertView = mInflaterinflate(Rlayoutlistview_item, null);
holdername = (TextView) convertView
findViewById(Ridlist_item_name);
holdertitle = (TextView) convertView
findViewById(Ridlist_item_title);
holdervalue = (EditText) convertView
findViewById(Ridlist_item_inputvalue);
holdervaluesetTag(position);
holderuserkey = (TextView) convertViewfindViewById(Riduser_key);
holdervaluesetOnTouchListener(new OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent event) {
if (eventgetAction() == MotionEventACTION_UP) {
index = (Integer) vgetTag();
}
return false;
}
});
class MyTextWatcher implements TextWatcher {
public MyTextWatcher(ViewHolder holder) {
mHolder = holder;
}
private ViewHolder mHolder;
@Override
public void onTextChanged(CharSequence s, int start,
int before, int count) {
}
@Override
public void beforeTextChanged(CharSequence s, int start,
int count, int after) {
}
@Override
public void afterTextChanged(Editable s) {
if (s != null && !""equals(stoString())) {
int position = (Integer) mHoldervaluegetTag();
mDataget(position)put("list_item_inputvalue",
stoString());// 当EditText数据发生改变的时候存到data变量中
}
}
}
holdervalueaddTextChangedListener(new MyTextWatcher(holder));
convertViewsetTag(holder);
} else {
holder = (ViewHolder) convertViewgetTag();
holdervaluesetTag(position);
}
Object value = mDataget(position)get("list_item_name");
if (value != null) {
holdernamesetText((String) value);
}
value = mDataget(position)get("list_item_title");
if (value != null) {
holdertitlesetText(valuetoString());
}
value = mDataget(position)get("user_key");
if (value != null) {
holderuserkeysetText(valuetoString());
} else {
holderuserkeysetText("-1");
}
value = mDataget(position)get("list_item_inputvalue");
if (value != null && !""equals(value)) {
holdervaluesetText(valuetoString());
} else {
String key = mDataget(position)get("user_key")toString();
String inputValue = editorValueget(key);
holdervaluesetText(inputValue);
}
holdervalueclearFocus();
if (index != -1 && index == position) {
holdervaluerequestFocus();
}
return convertView;
}
public final class ViewHolder {
public TextView name;
public TextView title;
public EditText value;// ListView中的输入
public TextView userkey;// 用来定义的标志性主键,可不用关心
}
}
package comexampleqq;
import androidosBundle;
import androidappActivity;
import androidappAlertDialog;
import androidappDialog;
import androidcontentDialogInterface;
import androidcontentIntent;
import androidviewLayoutInflater;
import androidviewMenu;
import androidviewView;
import androidviewViewOnClickListener;
import androidwidgetButton;
import androidwidgetEditText;
public class MainActivity extends Activity {
private Button btn;
private EditText et;
private EditText et2;
@Override
protected void onCreate(Bundle savedInstanceState) {
superonCreate(savedInstanceState);
setContentView(Rlayoutactivity_main);
et = (EditText)findViewById(RideditText1);
et2 = (EditText)findViewById(RideditText2);
btn = (Button)findViewById(Ridbutton1);
btnsetOnClickListener(new OnClickListener(){
@Override
其实这个问题也比较好处理, 首先我们来看一下在我们长按编辑框的时候, 会出现一个 上下文的菜单,这个菜单中就有 复制,粘贴,所以 从这个角度出发, 我开始寻找 TextView 中 d出上下文的方法, 由于EditText 是从这里继承的, 终于被我找到了
01/
02 Called when a context menu option for the text view is selected Currently
03 this will be one of: {@link androidRid#selectAll},
04 {@link androidRid#startSelectingText}, {@link androidRid#stopSelectingText},
05 {@link androidRid#cut}, {@link androidRid#copy},
06 {@link androidRid#paste}, {@link androidRid#copyUrl},
07 or {@link androidRid#switchInputMethod}
08/
09public boolean onTextContextMenuItem(int id) {
10int selStart = getSelectionStart();
11int selEnd = getSelectionEnd();
12
13if (!isFocused()) {
14selStart = 0;
15selEnd = mTextlength();
16}
17
18int min = Mathmin(selStart, selEnd);
19int max = Mathmax(selStart, selEnd);
20
21if (min < 0) {
22min = 0;
23}
24if (max < 0) {
25max = 0;
26}
27
28ClipboardManager clip = (ClipboardManager)getContext()
29getSystemService(ContextCLIPBOARD_SERVICE);
30
31switch (id) {
32case ID_SELECT_ALL:
33SelectionsetSelection((Spannable) mText, 0,
34mTextlength());
35return true;
36
37case ID_START_SELECTING_TEXT:
38MetaKeyKeyListenerstartSelecting(this, (Spannable) mText);
39return true;
40
41case ID_STOP_SELECTING_TEXT:
42MetaKeyKeyListenerstopSelecting(this, (Spannable) mText);
43SelectionsetSelection((Spannable) mText, getSelectionEnd());
44return true;
45
46case ID_CUT:
47MetaKeyKeyListenerstopSelecting(this, (Spannable) mText);
48
49if (min == max) {
50min = 0;
51max = mTextlength();
52}
53
54clipsetText(mTransformedsubSequence(min, max));
55((Editable) mText)delete(min, max);
56return true;
57
58case ID_COPY:
59MetaKeyKeyListenerstopSelecting(this, (Spannable) mText);
60
61if (min == max) {
62min = 0;
63max = mTextlength();
64}
65
66clipsetText(mTransformedsubSequence(min, max));
67return true;
68
69case ID_PASTE:
70MetaKeyKeyListenerstopSelecting(this, (Spannable) mText);
71
72CharSequence paste = clipgetText();
73
74if (paste != null) {
75SelectionsetSelection((Spannable) mText, max);
76((Editable) mText)replace(min, max, paste);
77}
78
79return true;
80
81case ID_COPY_URL:
82MetaKeyKeyListenerstopSelecting(this, (Spannable) mText);
83
84URLSpan[] urls = ((Spanned) mText)getSpans(min, max,
85URLSpanclass);
86if (urlslength == 1) {
87clipsetText(urls[0]getURL());
88}
89
90return true;
91
92case ID_SWITCH_INPUT_METHOD:
93InputMethodManager imm = InputMethodManagerpeekInstance();
94if (imm != null) {
95immshowInputMethodPicker();
96}
97return true;
98
99case ID_ADD_TO_DICTIONARY:
100String word = getWordForDictionary();
101
102if (word != null) {
103Intent i = new Intent("comandroidsettingsUSER_DICTIONARY_INSERT");
104iputExtra("word", word);
105getContext()startActivity(i);
106}
107
108return true;
109}
110
111return false;
112}
以上就是关于请问怎么获取datagridview中编辑状态的单元格的值全部的内容,包括:请问怎么获取datagridview中编辑状态的单元格的值、android开发中怎么获取listview中多个edittext的值、Android编程如何获取edittext的值,再和一个数比较,新手,求完整Activity代码研等相关内容解答,如果想了解更多相关内容,可以关注我们,你们的支持是我们更新的动力!
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