private void button1_Click(object sender, System.EventArgs e)
{
string strResult = FieldCal(_FeatureLayer, Field, txtExpression.Text);
MessageBox.Show(strResult);
this.Close();
RefreshTable refreshtable = new RefreshTable();
refreshtable.Refresh(Gridviwe, _FeatureLayer);
}
private void btnOK_Click(object sender, EventArgs e)
{
string strFieldName = txtFieldName.Text;
string strFieldType = cmbFieldType.Text;
try
{
IFeatureLayer editAttributeLayer = _FeatureLayer;
//Field collection
//IFieldsEdit pFieldsEdit;
//获取FeatureLayer
IFeatureLayer pFeatureLayer = editAttributeLayer;
//从FeatureLayer获取工作空间
IDataset pDataSet = pFeatureLayer.FeatureClass as IDataset;
IWorkspace pWorkSpace = pDataSet.Workspace;
//设置字段属性
IField pNewField = new FieldClass();
IFieldEdit pFieldEdit = pNewField as IFieldEdit;
pFieldEdit.AliasName_2 = strFieldName;
pFieldEdit.Name_2 = strFieldName;
switch (strFieldType)
{
case "长整型":
{
pFieldEdit.Type_2 = esriFieldType.esriFieldTypeInteger;
pFieldEdit.Precision_2 = int.Parse(txtPrecision.Text);
break;
}
case "Class1.cs短整型":
{
pFieldEdit.Type_2 = esriFieldType.esriFieldTypeSmallInteger;
pFieldEdit.Precision_2 = int.Parse(txtPrecision.Text);
break;
}
case "浮点型":
{
pFieldEdit.Type_2 = esriFieldType.esriFieldTypeSingle;
pFieldEdit.Precision_2 = int.Parse(txtPrecision.Text);
pFieldEdit.Scale_2 = int.Parse(txtScale.Text);
break;
}
case "双精度":
{
pFieldEdit.Type_2 = esriFieldType.esriFieldTypeDouble;
pFieldEdit.Precision_2 = int.Parse(txtPrecision.Text);
pFieldEdit.Scale_2 = int.Parse(txtScale.Text);
break;
}
case "文本型":
{
pFieldEdit.Type_2 = esriFieldType.esriFieldTypeString;
pFieldEdit.Length_2 = int.Parse(txtPrecision.Text);
break;
}
default: //日期型0
{
pFieldEdit.Type_2 = esriFieldType.esriFieldTypeDate;
break;
}
}
//添加字段
try
{
int theField = pFeatureLayer.FeatureClass.Fields.FindField(strFieldName);
if (theField == -1)
{
pFeatureLayer.FeatureClass.AddField(pFieldEdit);
MessageBox.Show("字段添加成功！");
}
else
{
MessageBox.Show("字段已经存在！");
}
}
catch (Exception ex)
{
MessageBox.Show("Field " + pFieldEdit.Name + " was not added due to an error (" + ex.Message + " )");
}
}
catch (System.Exception ex)
{
MessageBox.Show(ex.Message);
}
this.Close();
_dgv.Update();
RefreshTable refresh = new RefreshTable();
refresh.Refresh(_dgv, _FeatureLayer);
}