标签：datagridview c class code tar ext
呵呵呵呵```csharp using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; using SMALLERP.ComClass; using SMALLERP.DataClass; using System.Data.SqlClient;
namespace SMALLERP.BS { public partial class FormBSInven : Form { DataBase db = new DataBase(); CommonUse commUse = new CommonUse();
public FormBSInven()
{
InitializeComponent();
}
/// <summary>
/// 用于切换控件状态
/// </summary>
private void ControlStatus()
{
//工具栏按钮状态切换
this.toolSave.Enabled = !this.toolSave.Enabled;
this.toolCancel.Enabled = !this.toolCancel.Enabled;
commUse.CortrolButtonEnabled(toolAdd, this);
commUse.CortrolButtonEnabled(toolAmend, this);
commUse.CortrolButtonEnabled(toolDelete, this);
//窗体控件状态切换
this.txtInvenCode.ReadOnly = !this.txtInvenCode.ReadOnly;
this.txtInvenName.ReadOnly = !this.txtInvenName.ReadOnly;
this.cbxInvenTypeCode.Enabled = !this.cbxInvenTypeCode.Enabled;
this.txtSpecsModel.ReadOnly = !this.txtSpecsModel.ReadOnly;
this.txtMeaUnit.ReadOnly = !this.txtMeaUnit.ReadOnly;
this.txtSelPrice.ReadOnly = !this.txtSelPrice.ReadOnly;
this.txtPurPrice.ReadOnly = !this.txtPurPrice.ReadOnly;
this.txtSmallStockNum.ReadOnly = !this.txtSmallStockNum.ReadOnly;
this.txtBigStockNum.ReadOnly = !this.txtBigStockNum.ReadOnly;
}
/// <summary>
/// 将控件恢复到原始状态
/// </summary>
private void ClearControls()
{
this.txtInvenCode.Text = "";
this.txtInvenName.Text = "";
this.cbxInvenTypeCode.SelectedIndex = -1;
this.txtSpecsModel.Text = "";
this.txtMeaUnit.Text = "";
this.txtSelPrice.Text = "";
this.txtPurPrice.Text = "";
this.txtSmallStockNum.Text = "";
this.txtBigStockNum.Text = "";
}
/// <summary>
/// 用于设置查询字段
/// </summary>
private void BindToolStripComboBox()
{
this.cbxCondition.Items.Add("存货名称");
this.cbxCondition.Items.Add("规格型号");
}
/// <summary>
/// 设置控件的显示值
/// </summary>
private void FillControls()
{
this.txtInvenCode.Text = this.dgvInvenInfo[0, this.dgvInvenInfo.CurrentCell.RowIndex].Value.ToString();
this.txtInvenName.Text = this.dgvInvenInfo[1, this.dgvInvenInfo.CurrentCell.RowIndex].Value.ToString();
this.cbxInvenTypeCode.SelectedValue = this.dgvInvenInfo[2, this.dgvInvenInfo.CurrentCell.RowIndex].Value;
this.txtSpecsModel.Text = this.dgvInvenInfo[3, this.dgvInvenInfo.CurrentCell.RowIndex].Value.ToString();
this.txtMeaUnit.Text = this.dgvInvenInfo[4, this.dgvInvenInfo.CurrentCell.RowIndex].Value.ToString();
this.txtSelPrice.Text = this.dgvInvenInfo[5, this.dgvInvenInfo.CurrentCell.RowIndex].Value.ToString();
this.txtPurPrice.Text = this.dgvInvenInfo[6, this.dgvInvenInfo.CurrentCell.RowIndex].Value.ToString();
this.txtSmallStockNum.Text = this.dgvInvenInfo[7, this.dgvInvenInfo.CurrentCell.RowIndex].Value.ToString();
this.txtBigStockNum.Text = this.dgvInvenInfo[8, this.dgvInvenInfo.CurrentCell.RowIndex].Value.ToString();
}
/// <summary>
/// DataGridView控件绑定到数据源
/// </summary>
/// <param name="strWhere">Where条件子句</param>
private void BindDataGridView(string strWhere)
{
string strSql = null;
strSql = "SELECT * FROM BSInven " + strWhere;
try
{
this.dgvInvenInfo.DataSource = db.GetDataSet(strSql, "BSInven").Tables["BSInven"];
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "软件提示");
throw ex;
}
}
/// <summary>
/// 设置参数值
/// </summary>
private void ParametersAddValue()
{
db.Cmd.Parameters.Clear();
db.Cmd.Parameters.AddWithValue("@InvenCode", txtInvenCode.Text.Trim());
db.Cmd.Parameters.AddWithValue("@InvenName", txtInvenName.Text.Trim());
if (cbxInvenTypeCode.SelectedValue == null)
{
db.Cmd.Parameters.AddWithValue("@InvenTypeCode", DBNull.Value);
}
else
{
db.Cmd.Parameters.AddWithValue("@InvenTypeCode", cbxInvenTypeCode.SelectedValue.ToString());
}
db.Cmd.Parameters.AddWithValue("@SpecsModel", txtSpecsModel.Text.Trim());
db.Cmd.Parameters.AddWithValue("@MeaUnit", txtMeaUnit.Text.Trim());
if (String.IsNullOrEmpty(txtSelPrice.Text.Trim()))
{
//把null对象化为DBNull
db.Cmd.Parameters.AddWithValue("@SelPrice", DBNull.Value);
}
else
{
db.Cmd.Parameters.AddWithValue("@SelPrice", Convert.ToDecimal(txtSelPrice.Text.Trim()));
}
if (String.IsNullOrEmpty(txtPurPrice.Text.Trim()))
{
//把null对象化为DBNull
db.Cmd.Parameters.AddWithValue("@PurPrice", DBNull.Value);
}
else
{
db.Cmd.Parameters.AddWithValue("@PurPrice", Convert.ToDecimal(txtPurPrice.Text.Trim()));
}
if (String.IsNullOrEmpty(txtSmallStockNum.Text.Trim()))
{
//把null对象化为DBNull
db.Cmd.Parameters.AddWithValue("@SmallStockNum", DBNull.Value);
}
else
{
db.Cmd.Parameters.AddWithValue("@SmallStockNum", Convert.ToInt32(txtSmallStockNum.Text.Trim()));
}
if (String.IsNullOrEmpty(txtBigStockNum.Text.Trim()))
{
//把null对象化为DBNull
db.Cmd.Parameters.AddWithValue("@BigStockNum", DBNull.Value);
}
else
{
db.Cmd.Parameters.AddWithValue("@BigStockNum", Convert.ToInt32(txtBigStockNum.Text.Trim()));
}
}
private void FormInven_Load(object sender, EventArgs e)
{
//权限
commUse.CortrolButtonEnabled(toolAdd, this);
commUse.CortrolButtonEnabled(toolAmend, this);
commUse.CortrolButtonEnabled(toolDelete, this);
//ComboBox绑定到数据源
commUse.BindComboBox(cbxInvenTypeCode, "InvenTypeCode", "InvenTypeName", " Select * From BSInvenType", "BSInvenType");
//DataGridViewComboBoxColumn绑定到数据源
commUse.BindComboBox(this.dgvInvenInfo.Columns[2], "InvenTypeCode", "InvenTypeName", " Select * From BSInvenType", "BSInvenType");
//
this.BindDataGridView("");
this.BindToolStripComboBox();
this.cbxCondition.SelectedIndex = 0;
toolStrip1.Tag = "";
}
private void txtSelPrice_KeyPress(object sender, KeyPressEventArgs e)
{
commUse.InputNumeric(e, sender as Control);
}
private void txtPurPrice_KeyPress(object sender, KeyPressEventArgs e)
{
commUse.InputNumeric(e, sender as Control);
}
private void txtSmallStockNum_KeyPress(object sender, KeyPressEventArgs e)
{
commUse.InputInteger(e);
}
private void txtBigStockNum_KeyPress(object sender, KeyPressEventArgs e)
{
commUse.InputInteger(e);
}
private void toolAdd_Click(object sender, EventArgs e)
{
ControlStatus();
ClearControls();
toolStrip1.Tag = "ADD"; //添加状态
txtInvenCode.Enabled = true;
}
private void toolAmend_Click(object sender, EventArgs e)
{
ControlStatus();
ClearControls();
toolStrip1.Tag = "EDIT"; //修改状态
txtInvenCode.Enabled = false;
}
private void toolCancel_Click(object sender, EventArgs e)
{
ControlStatus();
ClearControls();
toolStrip1.Tag = "";
}
private void dgvInvenInfo_CellClick(object sender, DataGridViewCellEventArgs e)
{
if (toolStrip1.Tag.ToString() == "EDIT")
{
if (dgvInvenInfo.RowCount > 0)
{
//判断当前记录的主键值是否存在外键约束
if (commUse.IsExistConstraint("BSInven", dgvInvenInfo[0, dgvInvenInfo.CurrentCell.RowIndex].Value.ToString()))
{
txtInvenCode.Enabled = false;
}
else
{
txtInvenCode.Enabled = true;
}
FillControls();
}
}
}
private void toolSave_Click(object sender, EventArgs e)
{
string strCode = null;
SqlDataReader sdr = null;
if (String.IsNullOrEmpty(txtInvenCode.Text.Trim()))
{
MessageBox.Show("存货编号不许为空！", "软件提示");
txtInvenCode.Focus();
return;
}
if (String.IsNullOrEmpty(txtInvenName.Text.Trim()))
{
MessageBox.Show("存货名称不许为空！", "软件提示");
txtInvenName.Focus();
return;
}
if (cbxInvenTypeCode.SelectedValue == null)
{
MessageBox.Show("存货类别不许为空！", "软件提示");
cbxInvenTypeCode.Focus();
return;
}
if (!String.IsNullOrEmpty(txtBigStockNum.Text.Trim()) && !String.IsNullOrEmpty(txtSmallStockNum.Text.Trim()))
{
if (Convert.ToInt32(txtSmallStockNum.Text.Trim()) > Convert.ToInt32(txtBigStockNum.Text.Trim()))
{
MessageBox.Show("最低库存不许大于最高库存！", "软件提示");
txtSmallStockNum.Focus();
return;
}
}
//添加
if (toolStrip1.Tag.ToString() == "ADD")
{
strCode = "select * from BSInven where InvenCode = ‘" + txtInvenCode.Text.Trim() + "‘";
try
{
sdr = db.GetDataReader(strCode);
sdr.Read();
if (!sdr.HasRows)
{
sdr.Close();
strCode = "INSERT INTO BSInven(InvenCode,InvenName,InvenTypeCode,SpecsModel,MeaUnit,SelPrice,PurPrice,SmallStockNum,BigStockNum) ";
strCode += "VALUES(@InvenCode,@InvenName,@InvenTypeCode,@SpecsModel,@MeaUnit,@SelPrice,@PurPrice,@SmallStockNum,@BigStockNum)";
ParametersAddValue();
if (db.ExecDataBySql(strCode) > 0)
{
MessageBox.Show("保存成功！", "软件提示");
this.BindDataGridView("");
ControlStatus();
}
else
{
MessageBox.Show("保存失败！", "软件提示");
}
}
else
{
MessageBox.Show("编码重复，请重新设置", "软件提示");
this.txtInvenCode.Focus();
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "软件提示");
throw ex;
}
finally
{
sdr.Close();
}
}
//修改
if (toolStrip1.Tag.ToString() == "EDIT")
{
string strOldInvenCode = null;
//未修改之前的存货代码
strOldInvenCode = this.dgvInvenInfo[0, this.dgvInvenInfo.CurrentCell.RowIndex].Value.ToString();
//存货代码被修改过
if (strOldInvenCode != txtInvenCode.Text.Trim())
{
strCode = "select * from BSInven where InvenCode = ‘" + txtInvenCode.Text.Trim() + "‘";
try
{
sdr = db.GetDataReader(strCode);
sdr.Read();
if (sdr.HasRows)
{
MessageBox.Show("编码重复，请重新设置", "软件提示");
this.txtInvenCode.Focus();
sdr.Close();
return;
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "软件提示");
throw ex;
}
finally
{
sdr.Close();
}
}
//更新数据库
try
{
strCode = "UPDATE BSInven SET InvenCode = @InvenCode,InvenName = @InvenName,";
strCode += "InvenTypeCode = @InvenTypeCode,SpecsModel = @SpecsModel,MeaUnit = @MeaUnit,";
strCode += "SelPrice = @SelPrice,PurPrice = @PurPrice,SmallStockNum = @SmallStockNum,BigStockNum = @BigStockNum ";
strCode += "WHERE InvenCode = ‘" + strOldInvenCode + "‘";
ParametersAddValue();
if (db.ExecDataBySql(strCode) > 0)
{
MessageBox.Show("保存成功！", "软件提示");
this.BindDataGridView("");
ControlStatus();
}
else
{
MessageBox.Show("保存失败！", "软件提示");
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "软件提示");
throw ex;
}
}
toolStrip1.Tag = "";
}
private void toolDelete_Click(object sender, EventArgs e)
{
string strInvenCode = null;
string strSql = null;
if (this.dgvInvenInfo.RowCount == 0)
{
return;
}
strInvenCode = this.dgvInvenInfo[0, this.dgvInvenInfo.CurrentCell.RowIndex].Value.ToString();
//判断当前记录的主键值是否存在外键约束
if (commUse.IsExistConstraint("BSInven", strInvenCode))
{
MessageBox.Show("已发生业务关系，无法删除", "软件提示");
return;
}
strSql = "DELETE FROM BSInven WHERE InvenCode = ‘" + strInvenCode + "‘";
if (MessageBox.Show("确定要删除吗？", "软件提示", MessageBoxButtons.YesNo, MessageBoxIcon.Exclamation) == DialogResult.Yes)
{
try
{
if (db.ExecDataBySql(strSql) > 0)
{
MessageBox.Show("删除成功！", "软件提示");
}
else
{
MessageBox.Show("删除失败！", "软件提示");
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "软件提示");
throw ex;
}
this.BindDataGridView("");
}
}
private void txtOK_Click(object sender, EventArgs e)
{
string strWhere = String.Empty;
string strConditonName = String.Empty;
strConditonName = this.cbxCondition.Items[this.cbxCondition.SelectedIndex].ToString();
switch (strConditonName)
{
case "存货名称":
strWhere = " WHERE InvenName LIKE ‘%" + txtKeyWord.Text.Trim() + "%‘";
this.BindDataGridView(strWhere);
break;
case "规格型号":
strWhere = " WHERE SpecsModel LIKE ‘%" + txtKeyWord.Text.Trim() + "%‘";
this.BindDataGridView(strWhere);
break;
default:
break;
}
}
private void toolreflush_Click(object sender, EventArgs e)
{
this.BindDataGridView("");
}
private void toolExit_Click(object sender, EventArgs e)
{
this.Close();
}
}
}
```
标签：datagridview c class code tar ext
原文地址：http://www.cnblogs.com/studymaster/p/3745313.html
