private void delete_btn_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
{
if (this.gridView1.IsFocusedView)
{
DataRow dr = this.gridView1.GetDataRow(this.gridView1.FocusedRowHandle);
string id = dr["id"].ToString();
if (MessageBox.Show("先选中才能删除，确认删除该行吗？", "删除", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
{
ArrayList arr_where = new ArrayList();
arr_where.Add("id:" + id);
int result = OperateDatabase.Delete("data", arr_where);
if (result == 1)
{
MessageBox.Show("删除成功");
return;
}
gridView1.DeleteSelectedRows();
ArrayList arr = new ArrayList();
DataTable dt = OperateDatabase.select("data", arr);
this.gridControl1.DataSource = dt;
this.tabControl2.SelectedIndex = 1;
this.gridControl1.Update();
this.gridControl1.RefreshDataSource();
this.gridControl1.Refresh();
this.gridView1.RefreshData();
gridView1.RefreshData();
this.tabControl2.Update();
}
}
else
{
MessageBox.Show("请先选择一行");
}
}
//加载属性数据
private void Form1_Load(object sender, EventArgs e)
{
ArrayList arr = new ArrayList();
DataTable dt = OperateDatabase.select("data", arr);
this.gridControl1.DataSource = dt;
}
private void statics_btn_Click(object sender, EventArgs e)
{
//查询起始日期的数字
if (this.dateEdit_start.Text == "" || this.dateEdit_target.Text == "")
{
MessageBox.Show("请填写起止日期");
return;
}
DateTime s = new DateTime(2020, 1, 24, 0, 0, 0);
if (this.dateEdit_start.DateTime < s)
{
this.dateEdit_start.DateTime = s;
}
ArrayList arr1 = new ArrayList();
arr1.Add("YMD:'" + this.dateEdit_start.Text + "'");
DataTable dt1 = OperateDatabase.select("data", arr1);
ArrayList arr2 = new ArrayList();
arr2.Add("YMD:'" + this.dateEdit_target.Text + "'");
DataTable dt2 = OperateDatabase.select("data", arr2);
Series s1 = this.chartControl1.Series[0];
s1.DataSource = dt1;
s1.ArgumentDataMember = "name";
s1.ValueDataMembers[0] = "CurConfirmeed";
Series s2 = this.chartControl1.Series[1];
s2.DataSource = dt2;
s2.ArgumentDataMember = "name";
s2.ValueDataMembers[0] = "CurConfirmeed";
}
private void query_btn_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
{
ArrayList arr = new ArrayList();
DataTable dt = OperateDatabase.select("data", arr);
this.gridControl1.DataSource = dt;
this.tabControl2.SelectedIndex = 1;
}
private void gridView1_CellValueChanged(object sender, DevExpress.XtraGrid.Views.Base.CellValueChangedEventArgs e)
{
//获取修改的单元格
string CellValue = this.gridView1.GetFocusedValue().ToString();
//获取单元格的列名
string ColumnName = this.gridView1.FocusedColumn.FieldName;
//获取所在列的id
DataRow dr = this.gridView1.GetDataRow(e.RowHandle);
string id = dr["id"].ToString();
//修改
ArrayList arr = new ArrayList();
if (ColumnName == "name" || ColumnName == "YMD")
{
arr.Add(ColumnName + ":'" + CellValue + "'");
}
else
{
arr.Add(ColumnName + ":" + CellValue);
}
ArrayList arr_where = new ArrayList();
arr_where.Add("id:" + id);
int result = OperateDatabase.Update("data", arr, arr_where);
if (result == 0)
{
MessageBox.Show("该值修改失败");
}
arr = new ArrayList();
DataTable dt = OperateDatabase.select("data", arr);
this.gridControl1.DataSource = dt;
this.tabControl2.SelectedIndex = 1;
this.gridControl1.Update();
this.gridControl1.RefreshDataSource();
this.gridControl1.Refresh();
gridView1.RefreshData();
this.tabControl2.Update();
}
/// <summary>
/// 显示每日疫情
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void barButtonItem2_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
{
//查询每日疫情
ArrayList arr = new ArrayList();
//获取日期
if (this.selectedDate.EditValue == null)
{
MessageBox.Show("请选择日期");
return;
}
arr.Add("YMD:'" + this.selectedDate.EditValue + "'");
DataTable dt = OperateDatabase.select("data", arr);
if (dt.Rows.Count == 0)
{
MessageBox.Show("当日无数据");
return;
}
//为当前图层添加字段
IFeatureLayer layer = null;
//遍历，寻找市域图层
for (int i = 0; i < this.axMapControl1.Map.LayerCount; i++)
{
ILayer layer1 = this.axMapControl1.Map.get_Layer(i);
if (layer1.Name == "市域")
{
layer = layer1 as IFeatureLayer;
break;
}
}
if (layer == null)
{
MessageBox.Show("请打开市域图层");
return;
}
//获取图层字段，没有则添加一个num字段
IFeatureClass featureClass = layer.FeatureClass;
int isExist = featureClass.FindField("num");
if (isExist == -1)
{
//添加一个字段
IFields pFields = featureClass.Fields;
IFieldsEdit pFieldsEdit = pFields as IFieldsEdit;
IField fld = new FieldClass();
IFieldEdit2 fldE = fld as IFieldEdit2;
fldE.Name_2 = "num";
fldE.AliasName_2 = "数量";
fldE.Type_2 = esriFieldType.esriFieldTypeSingle;
featureClass.AddField(fld);
}
//给字段赋值
IFeatureCursor pFtCursor = featureClass.Search(null, false);
IFeature pFt = pFtCursor.NextFeature();
int index1 = pFt.Fields.FindField("num");
IDataset dataset = (IDataset)featureClass;
IWorkspace workspace = dataset.Workspace;
IWorkspaceEdit workspaceEdit = (IWorkspaceEdit)workspace;
workspaceEdit.StartEditing(true);
workspaceEdit.StartEditOperation();
while (pFt != null)
{
int index = pFt.Fields.FindField("code");
String code = pFt.get_Value(index).ToString();
DataRow[] drs = dt.Select("CODE=" + code);
DataTable dtNew = dt.Clone();
for (int i = 0; i < drs.Length; i++)
{
dtNew.ImportRow(drs[i]);
}
String num = dtNew.Rows[0]["AllConfiemed"].ToString();
if (num == "")
{
num = "0";
}
pFt.set_Value(index1, Convert.ToInt32(num));
pFt.Store();
pFt = pFtCursor.NextFeature();
}
GisClass.ClassRender(this.axMapControl1.ActiveView, layer, 6, "num");
//GisClass.UniqueValueRender(this.axMapControl1.ActiveView,layer,10,"num");
}